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v2.4.1.9

Debt (Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2015 | Mar. 31, 2015
Line of Credit Facility [Line Items] |  |
Minimum EBITDA | $ 7,281,000 virc_DebtInstrumentCovenantMinimumEbitda |
Revolving credit facility | 50,000,000 us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod |
Sub-limit for issuances of letters of credit | 3,000,000 virc_LineOfCreditFacilitySubLimit |
Revolving Credit Facility bears interest increased | 2.00%virc_LineOfCreditFacilityIncreaseAccruedInterestPercentage |
Minimum fixed charge coverage ratio | 1.00 virc_DebtInstrumentCovenantMinimumFixedChargeCoverageRatio |
Debt Instrumet, Covenant, Maintained Tangible Net Worth | 22,573,000 virc_DebtInstrumetCovenantMaintainedTangibleNetWorth |
Provision to reduce borrowings under the line | 6,000,000 virc_ProvisionToRequiresReduceBorrowingsUnderLineOfCreditFacility |
Provision to reduce borrowings under the line, period | 60 days |
Judgments or judicial actions against the borrowers in excess | 250,000 virc_JudicialActionsAgainstExcessLineOfCreditFacility |
Accounts receivable [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility borrowing base limitation | 85.00%virc_LineOfCreditFacilityBorrowingBaseLimitation / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember |
Inventory [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility borrowing base limitation | 60.00%virc_LineOfCreditFacilityBorrowingBaseLimitation / us-gaap_ConcentrationRiskByBenchmarkAxis = virc_InventoryMember |
Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility | 8,000,000 us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod / us-gaap_RangeAxis = us-gaap_MinimumMember |
Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility | 14,000,000 us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod / us-gaap_RangeAxis = us-gaap_MaximumMember |
Maximum [Member] | Accounts receivable [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility borrowing base limitation | 85.00%virc_LineOfCreditFacilityBorrowingBaseLimitation / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
Credit Agreement [Member] |  |
Line of Credit Facility [Line Items] |  |
Minimum EBITDA | 5,512,000 virc_DebtInstrumentCovenantMinimumEbitda / us-gaap_DebtInstrumentAxis = virc_CreditAgreementMember |
Minimum fixed charge coverage ratio | 1.00 virc_DebtInstrumentCovenantMinimumFixedChargeCoverageRatio / us-gaap_DebtInstrumentAxis = virc_CreditAgreementMember |
PNC [Member] | Revolving Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Remaining borrowing capacity | 10,658,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LineOfCreditFacilityAxis = virc_PNCMember |
PNC [Member] | Revolving Credit Facility [Member] | Credit Agreement [Member] |  |
Line of Credit Facility [Line Items] |  |
Minimum tangible net worth covenant | 25,190,000 us-gaap_MinimumNetWorthRequiredForCompliance / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_DebtInstrumentAxis = virc_CreditAgreementMember / us-gaap_LineOfCreditFacilityAxis = virc_PNCMember |
Eurodollar [Member] | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility bears interest range of | 1.75%us-gaap_LoansReceivableBasisSpreadOnVariableRateDuringPeriod / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_EurodollarMember |
Eurodollar [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility bears interest range of | 2.75%us-gaap_LoansReceivableBasisSpreadOnVariableRateDuringPeriod / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_EurodollarMember |
Alternate Base Rate Loans [Member] | London Interbank Offered Rate LIBOR [Member] | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility bears interest range of | 0.75%us-gaap_LoansReceivableBasisSpreadOnVariableRateDuringPeriod / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_TradingActivityByTypeAxis = virc_AlternateBaseRateLoansMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
Alternate Base Rate Loans [Member] | London Interbank Offered Rate LIBOR [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Revolving credit facility bears interest range of | 1.75%us-gaap_LoansReceivableBasisSpreadOnVariableRateDuringPeriod / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_TradingActivityByTypeAxis = virc_AlternateBaseRateLoansMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
Subsequent Event [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrumet, Covenant, Maintained Tangible Net Worth |  | $ 20,565,000 virc_DebtInstrumetCovenantMaintainedTangibleNetWorth / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Details
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X
- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage points added to the reference rate or index during the adjustment period to compute the variable [fully indexed] rate on the loans receivable realized during the reporting period. This may be an effective margin for the period depending on the specific terms of the underlying loan agreement (for example, an annual disclosure for a loan with a quarterly adjustment period). + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(a) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Debt instrument, covenant, minimum ebitda + References No definition available. + Details
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Namespace Prefix: | virc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt instrument, covenant, maintained fixed charge coverage ratio + References No definition available. + Details
Name: | virc_DebtInstrumentCovenantMinimumFixedChargeCoverageRatio
Namespace Prefix: | virc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition debt instrumet, covenant, maintained a tangible net worth + References No definition available. + Details
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Namespace Prefix: | virc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Judicial actions against excess line of credit facility + References No definition available. + Details
Name: | virc_JudicialActionsAgainstExcessLineOfCreditFacility
Namespace Prefix: | virc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line of credit facility borrowing base limitation. + References No definition available. + Details
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Namespace Prefix: | virc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line of credit facility increase accrued interest percentage. + References No definition available. + Details
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Namespace Prefix: | virc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line of credit facility sub- limit. + References No definition available. + Details
Name: | virc_LineOfCreditFacilitySubLimit
Namespace Prefix: | virc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Provision to reduce borrowings under line of credit facility for period. + References No definition available. + Details
Name: | virc_ProvisionToReduceBorrowingsUnderLineOfCreditFacilityForPeriod
Namespace Prefix: | virc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Provision to requires reduce borrowings under line of credit facility. + References No definition available. + Details
Name: | virc_ProvisionToRequiresReduceBorrowingsUnderLineOfCreditFacility
Namespace Prefix: | virc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=virc_InventoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=virc_CreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_LineOfCreditFacilityAxis=virc_PNCMember
Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
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Period Type: |

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_TradingActivityByTypeAxis=virc_AlternateBaseRateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix: |
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Period Type: |