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Income Taxes (Components of Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013
Current
Federal	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 1us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit
State	35us-gaap_CurrentStateAndLocalTaxExpenseBenefit	(24)us-gaap_CurrentStateAndLocalTaxExpenseBenefit	(275)us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Current income tax benefit (expense)	35us-gaap_CurrentIncomeTaxExpenseBenefit	(23)us-gaap_CurrentIncomeTaxExpenseBenefit	(275)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	232us-gaap_DeferredFederalIncomeTaxExpenseBenefit	(753)us-gaap_DeferredFederalIncomeTaxExpenseBenefit	(1,192)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State	48us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit	23us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit	(223)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Total deferred income taxes	280virc_DeferredIncomeTaxExpenseBenefitDomesticAndStateAndLocal	(730)virc_DeferredIncomeTaxExpenseBenefitDomesticAndStateAndLocal	(1,415)virc_DeferredIncomeTaxExpenseBenefitDomesticAndStateAndLocal
Change in Valuation Allowance	(246)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount	(250)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount	1,481us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Deferred income taxes	34us-gaap_DeferredIncomeTaxExpenseBenefit	(980)us-gaap_DeferredIncomeTaxExpenseBenefit	66us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax expense (benefit)	$ 69us-gaap_IncomeTaxExpenseBenefit	$ (1,003)us-gaap_IncomeTaxExpenseBenefit	$ (209)us-gaap_IncomeTaxExpenseBenefit

X

- Definition

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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