10-K Filing

AEHR TEST SYSTEMS CIK: 1040470 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0001654954-21-009505`
Period End Date	20210531
Filing Date	20210827
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	aehr-20210531.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 79 Income Statement 89 Cash Flow Statement 98 Stockholders Equity 35 Comprehensive Income 18

Balance Sheet 79 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, authorized (in thousands)	`PreferredStockSharesAuthorized`	10,000.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.43M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.43M	USD	Point-in-time
Preferred stock, authorized (in thousands)	`PreferredStockSharesAuthorized`	10,000.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.58M	USD	Point-in-time
Preferred stock, shares issued (in thousands)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$5.20M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$3.72M	USD	Point-in-time
Preferred stock, shares issued (in thousands)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in thousands)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$8.85M	USD	Point-in-time
Preferred stock, shares outstanding (in thousands)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$7.99M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$512.00K	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$551.00K	USD	Point-in-time
Common stock, shares authorized (in thousands)	`CommonStockSharesAuthorized`	75,000.00	shares	Point-in-time
Common stock, shares authorized (in thousands)	`CommonStockSharesAuthorized`	75,000.00	shares	Point-in-time
Total current assets	`AssetsCurrent`	$17.65M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$19.18M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$677.00K	USD	Point-in-time
Common stock, shares issued (in thousands)	`CommonStockSharesIssued`	23,725.00	shares	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$663.00K	USD	Point-in-time
Common stock, shares issued (in thousands)	`CommonStockSharesIssued`	23,107.00	shares	Point-in-time
Common stock, shares outstanding (in thousands)	`CommonStockSharesOutstanding`	23,107.00	shares	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$2.11M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$1.61M	USD	Point-in-time
Common stock, shares outstanding (in thousands)	`CommonStockSharesOutstanding`	23,725.00	shares	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$153.00K	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$198.00K	USD	Point-in-time
Total assets	`Assets`	$20.57M	USD	Point-in-time
Total assets	`Assets`	$21.66M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$2.89M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$945.00K	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$2.16M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.44M	USD	Point-in-time
Operating lease liabilities, short-term	`OperatingLeaseLiabilityCurrent`	$658.00K	USD	Point-in-time
Operating lease liabilities, short-term	`OperatingLeaseLiabilityCurrent`	$737.00K	USD	Point-in-time
Customer deposits and deferred revenue, short-term	`CustomerDepositsAndDeferredRevenueShortTerm`	$189.00K	USD	Point-in-time
Customer deposits and deferred revenue, short-term	`CustomerDepositsAndDeferredRevenueShortTerm`	$170.00K	USD	Point-in-time
Line of credit	`LinesOfCreditCurrent`	$1.40M	USD	Point-in-time
Line of credit	`LinesOfCreditCurrent`	-	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$1.68M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$653.00K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.87M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.06M	USD	Point-in-time
Operating lease liabilities, long-term	`OperatingLeaseLiabilityNoncurrent`	$1.60M	USD	Point-in-time
Operating lease liabilities, long-term	`OperatingLeaseLiabilityNoncurrent`	$1.01M	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$1.03M	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	-	USD	Point-in-time
Deferred revenue, long-term	`DeferredRevenueNoncurrent`	$22.00K	USD	Point-in-time
Deferred revenue, long-term	`DeferredRevenueNoncurrent`	$99.00K	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$49.00K	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	-	USD	Point-in-time
Total liabilities	`Liabilities`	$10.22M	USD	Point-in-time
Total liabilities	`Liabilities`	$6.52M	USD	Point-in-time
Preferred stock, $0.01 par value: Authorized: 10,000 shares; Issued and outstanding: none	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value: Authorized: 10,000 shares; Issued and outstanding: none	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.01 par value: Authorized: 75,000 shares; Issued and outstanding: 23,725 shares and 23,107 shares at May 31, 2021 and 2020 respectively	`CommonStockValue`	$231.00K	USD	Point-in-time
Common stock, $0.01 par value: Authorized: 75,000 shares; Issued and outstanding: 23,725 shares and 23,107 shares at May 31, 2021 and 2020 respectively	`CommonStockValue`	$237.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$87.55M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$85.90M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$2.23M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-28.00K	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-74.29M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-76.31M	USD	Point-in-time
Total Aehr Test Systems shareholders' equity	`StockholdersEquity`	$14.08M	USD	Point-in-time
Total Aehr Test Systems shareholders' equity	`StockholdersEquity`	$11.45M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-21.00K	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	-	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.06M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.45M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$19.29M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.45M	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$20.57M	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$21.66M	USD	Point-in-time

Income Statement 89 line items

Line Item	Tag	Value	Unit	Period
Net sales	`Revenues`	$6.11M	USD	1 Quarter
Net sales	`Revenues`	$21.06M	USD	Annual
Net sales	`Revenues`	$7.64M	USD	1 Quarter
Net sales	`Revenues`	$16.60M	USD	Annual
Net sales	`Revenues`	$5.53M	USD	1 Quarter
Net sales	`Revenues`	$22.29M	USD	Annual
Net sales	`Revenues`	$2.01M	USD	1 Quarter
Net sales	`Revenues`	$6.87M	USD	1 Quarter
Net sales	`Revenues`	$1.68M	USD	1 Quarter
Net sales	`Revenues`	$3.77M	USD	1 Quarter
Net sales	`Revenues`	$5.27M	USD	1 Quarter
Cost of sales	`CostOfRevenue`	$13.45M	USD	Annual
Cost of sales	`CostOfRevenue`	$10.57M	USD	Annual
Cost of sales	`CostOfRevenue`	$13.92M	USD	Annual
Gross profit	`GrossProfit`	$3.20M	USD	1 Quarter
Gross profit	`GrossProfit`	$7.60M	USD	Annual
Gross profit	`GrossProfit`	$-93.00K	USD	1 Quarter
Gross profit	`GrossProfit`	$8.37M	USD	Annual
Gross profit	`GrossProfit`	$377.00K	USD	1 Quarter
Gross profit	`GrossProfit`	$2.27M	USD	1 Quarter
Gross profit	`GrossProfit`	$227.00K	USD	1 Quarter
Gross profit	`GrossProfit`	$6.03M	USD	Annual
Gross profit	`GrossProfit`	$2.99M	USD	1 Quarter
Gross profit	`GrossProfit`	$3.53M	USD	1 Quarter
Gross profit	`GrossProfit`	$1.89M	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$7.53M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$7.72M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$6.56M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$3.39M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$4.15M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$3.65M	USD	Annual
Restructuring	`RestructuringCharges`	$725.00K	USD	Annual
Restructuring	`RestructuringCharges`	$220.00K	USD	Annual
Restructuring	`RestructuringCharges`	-	USD	Annual
Total operating expenses	`OperatingExpenses`	$10.21M	USD	Annual
Total operating expenses	`OperatingExpenses`	$12.60M	USD	Annual
Total operating expenses	`OperatingExpenses`	$11.14M	USD	Annual
Loss from operations	`OperatingIncomeLoss`	$-5.00M	USD	Annual
Loss from operations	`OperatingIncomeLoss`	$-2.77M	USD	Annual
Loss from operations	`OperatingIncomeLoss`	$-4.18M	USD	Annual
Interest expense (income), net	`InterestIncomeExpenseNet`	$-46.00K	USD	Annual
Interest expense (income), net	`InterestIncomeExpenseNet`	$-252.00K	USD	Annual
Interest expense (income), net	`InterestIncomeExpenseNet`	$10.00K	USD	Annual
Net gain from dissolution of Aehr Test Systems Japan	`GainLossOnSaleOfBusiness`	-	USD	Annual
Net gain from dissolution of Aehr Test Systems Japan	`GainLossOnSaleOfBusiness`	$2.19M	USD	Annual
Net gain from dissolution of Aehr Test Systems Japan	`GainLossOnSaleOfBusiness`	-	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$-11.00K	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$-162.00K	USD	Annual
Other (expense) income, net	`OtherNonoperatingIncomeExpense`	$44.00K	USD	Annual
Loss before income tax benefit (expense)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-5.21M	USD	Annual
Loss before income tax benefit (expense)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-2.77M	USD	Annual
Loss before income tax benefit (expense)	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-2.20M	USD	Annual
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$-177.00K	USD	Annual
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$36.00K	USD	Annual
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$27.00K	USD	Annual
Net loss	`ProfitLoss`	$-5.24M	USD	Annual
Net loss	`ProfitLoss`	$-2.80M	USD	Annual
Net loss	`ProfitLoss`	$-2.03M	USD	Annual
Less: Net income attributable to the noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Net income attributable to the noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Net income attributable to the noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-1.97M	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$567.00K	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-2.80M	USD	Annual
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-2.03M	USD	Annual
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$245.00K	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-2.88M	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$251.00K	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-5.24M	USD	Annual
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$107.00K	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-413.00K	USD	1 Quarter
Net (loss) income attributable to Aehr Test Systems common shareholders	`NetIncomeLoss`	$-735.00K	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$0.02	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.13	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$0.01	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$0.01	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.12	USD	Annual
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.02	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.08	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.03	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.23	USD	Annual
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	-	USD	1 Quarter
Net (loss) income per share - basic and diluted	`EarningsPerShareBasicAndDiluted`	$-0.09	USD	Annual
Shares used in per share calculation - basic (in thousands)	`WeightedAverageNumberOfSharesOutstandingBasic`	23,457.00	shares	Annual
Shares used in per share calculation - basic (in thousands)	`WeightedAverageNumberOfSharesOutstandingBasic`	22,882.00	shares	Annual
Shares used in per share calculation - basic (in thousands)	`WeightedAverageNumberOfSharesOutstandingBasic`	22,387.00	shares	Annual
Shares used in per share calculation - diluted (in thousands)	`WeightedAverageNumberOfDilutedSharesOutstanding`	23,457.00	shares	Annual
Shares used in per share calculation - diluted (in thousands)	`WeightedAverageNumberOfDilutedSharesOutstanding`	22,882.00	shares	Annual
Shares used in per share calculation - diluted (in thousands)	`WeightedAverageNumberOfDilutedSharesOutstanding`	22,387.00	shares	Annual

Cash Flow Statement 98 line items

Line Item	Tag	Value	Unit	Period
Net (loss) income	`ProfitLoss`	$-5.24M	USD	Annual
Net (loss) income	`ProfitLoss`	$-2.80M	USD	Annual
Net (loss) income	`ProfitLoss`	$-2.03M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$1.10M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$905.00K	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$910.00K	USD	Annual
Recovery of doubtful accounts	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Recovery of doubtful accounts	`ProvisionForDoubtfulAccounts`	$-3.00K	USD	Annual
Recovery of doubtful accounts	`ProvisionForDoubtfulAccounts`	-	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$431.00K	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$384.00K	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$310.00K	USD	Annual
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	-	USD	Annual
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	-	USD	Annual
Loss on disposal of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$-45.00K	USD	Annual
Net gain from dissolution of Aehr Test Systems Japan	`GainLossOnSaleOfBusiness`	-	USD	Annual
Net gain from dissolution of Aehr Test Systems Japan	`GainLossOnSaleOfBusiness`	$2.19M	USD	Annual
Net gain from dissolution of Aehr Test Systems Japan	`GainLossOnSaleOfBusiness`	-	USD	Annual
Income tax benefit related to dissolution of Aehr Test Systems Japan	`IncomeTaxBenefitRelatedToDissolutionOfSubsidiary`	$-215.00K	USD	Annual
Income tax benefit related to dissolution of Aehr Test Systems Japan	`IncomeTaxBenefitRelatedToDissolutionOfSubsidiary`	-	USD	Annual
Income tax benefit related to dissolution of Aehr Test Systems Japan	`IncomeTaxBenefitRelatedToDissolutionOfSubsidiary`	-	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-1.16M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$1.37M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$2.04M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-1.16M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$112.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$972.00K	USD	Annual
Prepaid expenses and other	`IncreaseDecreaseInPrepaidExpense`	$81.00K	USD	Annual
Prepaid expenses and other	`IncreaseDecreaseInPrepaidExpense`	$-271.00K	USD	Annual
Prepaid expenses and other	`IncreaseDecreaseInPrepaidExpense`	$-84.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.88M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$210.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-1.02M	USD	Annual
Accrued expenses	`IncreaseDecreaseInAccruedLiabilities`	$-589.00K	USD	Annual
Accrued expenses	`IncreaseDecreaseInAccruedLiabilities`	$402.00K	USD	Annual
Accrued expenses	`IncreaseDecreaseInAccruedLiabilities`	$732.00K	USD	Annual
Customer deposits and deferred revenue	`IncreaseDecreaseInCustomerDepositsAndDeferredRevenue`	$96.00K	USD	Annual
Customer deposits and deferred revenue	`IncreaseDecreaseInCustomerDepositsAndDeferredRevenue`	$-1.54M	USD	Annual
Customer deposits and deferred revenue	`IncreaseDecreaseInCustomerDepositsAndDeferredRevenue`	$-355.00K	USD	Annual
Deferred rent	`IncreaseDecreaseInOtherDeferredLiability`	$90.00K	USD	Annual
Deferred rent	`IncreaseDecreaseInOtherDeferredLiability`	-	USD	Annual
Deferred rent	`IncreaseDecreaseInOtherDeferredLiability`	-	USD	Annual
Other long-term liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$47.00K	USD	Annual
Other long-term liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	-	USD	Annual
Other long-term liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	-	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-10.00K	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-11.00K	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-2.00K	USD	Annual
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-5.64M	USD	Annual
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-2.02M	USD	Annual
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-2.70M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$173.00K	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$163.00K	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$227.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-227.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-163.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-173.00K	USD	Annual
Repayment of convertible notes	`RepaymentsOfConvertibleDebt`	-	USD	Annual
Repayment of convertible notes	`RepaymentsOfConvertibleDebt`	$6.11M	USD	Annual
Repayment of convertible notes	`RepaymentsOfConvertibleDebt`	-	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.68M	USD	Annual
Line of credit borrowings, net	`ProceedsFromRepaymentsOfLinesOfCredit`	-	USD	Annual
Line of credit borrowings, net	`ProceedsFromRepaymentsOfLinesOfCredit`	-	USD	Annual
Line of credit borrowings, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$1.40M	USD	Annual
Proceeds from issuance of common stock under employee plans	`ProceedsFromIssuanceOfCommonStock`	$503.00K	USD	Annual
Proceeds from issuance of common stock under employee plans	`ProceedsFromIssuanceOfCommonStock`	$559.00K	USD	Annual
Proceeds from issuance of common stock under employee plans	`ProceedsFromIssuanceOfCommonStock`	$580.00K	USD	Annual
Shares repurchased for tax withholdings on vesting of restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.00K	USD	Annual
Shares repurchased for tax withholdings on vesting of restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$20.00K	USD	Annual
Shares repurchased for tax withholdings on vesting of restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	-	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.96M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.17M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-5.55M	USD	Annual
Effect of exchange rates on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-59.00K	USD	Annual
Effect of exchange rates on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$20.00K	USD	Annual
Effect of exchange rates on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$117.00K	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-851.00K	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$5.00K	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-11.42M	USD	Annual
Cash, cash equivalents and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.66M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.51M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.51M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$16.93M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.66M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.51M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.51M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$16.93M	USD	Point-in-time
Cash paid during the year for Income taxes	`IncomeTaxesPaidNet`	$42.00K	USD	Annual
Cash paid during the year for Income taxes	`IncomeTaxesPaidNet`	$37.00K	USD	Annual
Cash paid during the year for Income taxes	`IncomeTaxesPaidNet`	$15.00K	USD	Annual
Cash paid during the year for Interest	`InterestPaidNet`	$6.00K	USD	Annual
Cash paid during the year for Interest	`InterestPaidNet`	$610.00K	USD	Annual
Cash paid during the year for Interest	`InterestPaidNet`	-	USD	Annual
Net transfer of equipment between inventory and property and equipment	`PropertyPlantAndEquipmentTransfersAndChanges`	$113.00K	USD	Annual
Net transfer of equipment between inventory and property and equipment	`PropertyPlantAndEquipmentTransfersAndChanges`	$119.00K	USD	Annual
Net transfer of equipment between inventory and property and equipment	`PropertyPlantAndEquipmentTransfersAndChanges`	$112.00K	USD	Annual

Stockholders Equity 35 line items

Line Item	Tag	Value	Unit	Period
Beginning balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.06M	USD	Point-in-time
Beginning balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.45M	USD	Point-in-time
Beginning balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$19.29M	USD	Point-in-time
Beginning balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.45M	USD	Point-in-time
Issuance of common stock under employee plans, amount	`StockIssuedDuringPeriodValueShareBasedCompensation`	$503.00K	USD	Annual
Issuance of common stock under employee plans, amount	`StockIssuedDuringPeriodValueShareBasedCompensation`	$580.00K	USD	Annual
Issuance of common stock under employee plans, amount	`StockIssuedDuringPeriodValueShareBasedCompensation`	$559.00K	USD	Annual
Shares repurchased for tax withholdings on vesting of RSUs, shares (in thousands)	`SharesPaidForTaxWithholdingForShareBasedCompensation`	6.00	shares	Annual
Shares repurchased for tax withholdings on vesting of RSUs, shares (in thousands)	`SharesPaidForTaxWithholdingForShareBasedCompensation`	9.00	shares	Annual
Shares repurchased for tax withholdings on vesting of RSUs	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$20.00K	USD	Annual
Shares repurchased for tax withholdings on vesting of RSUs	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.00K	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$910.00K	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$905.00K	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.10M	USD	Annual
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test System Japan	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	Annual
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test System Japan	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-2.40M	USD	Annual
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test System Japan	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	Annual
Net (loss) income	`NetIncomeLoss`	$-1.97M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$567.00K	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-2.80M	USD	Annual
Net (loss) income	`NetIncomeLoss`	$-2.03M	USD	Annual
Net (loss) income	`NetIncomeLoss`	$245.00K	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-2.88M	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$251.00K	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-5.24M	USD	Annual
Net (loss) income	`NetIncomeLoss`	$107.00K	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-413.00K	USD	1 Quarter
Net (loss) income	`NetIncomeLoss`	$-735.00K	USD	1 Quarter
Foreign currency translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$2.00K	USD	Annual
Foreign currency translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$160.00K	USD	Annual
Foreign currency translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-61.00K	USD	Annual
Ending balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.06M	USD	Point-in-time
Ending balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.45M	USD	Point-in-time
Ending balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$19.29M	USD	Point-in-time
Ending balance, amount	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$15.45M	USD	Point-in-time

Comprehensive Income 18 line items

Line Item	Tag	Value	Unit	Period
Net (loss) income	`ProfitLoss`	$-5.24M	USD	Annual
Net (loss) income	`ProfitLoss`	$-2.80M	USD	Annual
Net (loss) income	`ProfitLoss`	$-2.03M	USD	Annual
Foreign currency translation income (loss)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-61.00K	USD	Annual
Foreign currency translation income (loss)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$2.00K	USD	Annual
Foreign currency translation income (loss)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$160.00K	USD	Annual
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test System Japan	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	Annual
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test System Japan	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-2.40M	USD	Annual
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test System Japan	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	Annual
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-2.80M	USD	Annual
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-4.27M	USD	Annual
Total comprehensive (loss) income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-5.30M	USD	Annual
Less: Comprehensive (loss) income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.00K	USD	Annual
Less: Comprehensive (loss) income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-2.00K	USD	Annual
Less: Comprehensive (loss) income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$21.00K	USD	Annual
Comprehensive (loss) income, attributable to Aehr Test Systems	`ComprehensiveIncomeNetOfTax`	$-2.80M	USD	Annual
Comprehensive (loss) income, attributable to Aehr Test Systems	`ComprehensiveIncomeNetOfTax`	$-4.29M	USD	Annual
Comprehensive (loss) income, attributable to Aehr Test Systems	`ComprehensiveIncomeNetOfTax`	$-5.30M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.