XML 55 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stockholders' Equity (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
--- | ---
Jul. 31, 2013
Stockholders' Equity (Textual) [Abstract] |
Remained available for repurchases | $ 1.1

X
- Definition The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | virc_StockholdersEquityTextualAbstract
Namespace Prefix: | virc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration