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Also includes the carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings Fair value adjustment Issuance of unvested shares of restricted stock (in shares) us-gaap_IncreaseDecreaseInAccountsReceivable Trade accounts receivable Schedule Of Intangible Assets [Table Text Block] The tabular disclosure of the intangible assets. Granted, Number of shares (in shares) Ambrell [Member] Related to the acquisition of Ambrell. us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders' equity Retained earnings Accumulated other comprehensive earnings us-gaap_IncreaseDecreaseInInventories Inventories us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue Balance at beginning of period Balance at end of period us-gaap_IncreaseDecreaseInReserveForCommissionsExpenseAndTaxes Accrued sales commissions Hakuto Co Ltd [Member] The name or description of the customer. Contingent Consideration Liability [Member] Represents the information pertaining to the contingent consideration liability. us-gaap_ForeignCurrencyTransactionGainLossBeforeTax Foreign exchange gain EMS [Member] Represents the information pertaining to inTEST Electromechanical Semiconductor Products (EMS). us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases Contingent consideration liability established in connection with the acquisition of Ambrell Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] us-gaap_NumberOfReportableSegments Number of Reportable Segments us-gaap_NumberOfOperatingSegments Number of Operating Segments Aggregate Total Payout [Member] Related to the aggregate total payout that may be made under the contingent consideration arrangement. 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