v2.4.1.9

Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data | Total | Common Stock | Accumulated Other Comprehensive Earnings (Loss) | Retained Earnings
--- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2011 | $ 30,224 us-gaap_StockholdersEquity | $ 17,320 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 1,487 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 11,417 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Beginning Balance (in shares) at Dec. 31, 2011 |  | 4,781,597 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Net loss for the year | (2,014)us-gaap_NetIncomeLoss |  |  | (2,014)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Foreign currency translation adjustments | 417 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  | 417 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
Issuance of common stock under employee option plans (in shares) |  | 3,334 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of common stock under employee option plans | 3 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised | 3 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Increase (Reduction) in pool of windfall tax benefits | (13)us-gaap_StockIssuedDuringPeriodValueOther | (13)us-gaap_StockIssuedDuringPeriodValueOther / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of restricted shares of common stock under equity incentive plan (in shares) |  | 147,500 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of restricted shares of common stock under equity incentive plan | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Cancellation of restricted shares of common stock (in shares) |  | (9,000)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Cancellation of restricted shares of common stock | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Stock-based compensation | 456 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation | 456 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Ending Balance at Dec. 31, 2012 | 29,073 us-gaap_StockholdersEquity | 17,766 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,904 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 9,403 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance (in shares) at Dec. 31, 2012 |  | 4,923,431 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Net loss for the year | (637)us-gaap_NetIncomeLoss |  |  | (637)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Foreign currency translation adjustments | (677)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  | (677)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
Issuance of common stock under employee option plans (in shares) | 30,500 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 30,500 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of common stock under employee option plans | 28 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised | 28 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of restricted shares of common stock under equity incentive plan (in shares) |  | 167,500 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of restricted shares of common stock under equity incentive plan | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Cancellation of restricted shares of common stock (in shares) |  | (55,837)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Cancellation of restricted shares of common stock | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Common stock cancelled in payment of payroll taxes due on vesting of restricted shares under employee stock incentive plans (in shares) |  | (19,697)crv_CommonStockCanceledForPaymentOfPayrollTaxesOnVestingOfShareBasedCompensationShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Common stock cancelled in payment of payroll taxes due on vesting of restricted shares under employee stock incentive plans | (49)crv_CommonStockCanceledForPaymentOfPayrollTaxesOnVestingOfShareBasedCompensation | (49)crv_CommonStockCanceledForPaymentOfPayrollTaxesOnVestingOfShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Stock-based compensation | 302 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation | 302 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Ending Balance at Dec. 31, 2013 | 28,040 us-gaap_StockholdersEquity | 18,047 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,227 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 8,766 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance (in shares) at Dec. 31, 2013 |  | 5,045,897 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Net loss for the year | (523)us-gaap_NetIncomeLoss |  |  | (523)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Foreign currency translation adjustments | (769)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  | (769)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
Issuance of common stock under employee option plans (in shares) | 142,000 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 142,248 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of common stock under employee option plans | 162 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised | 162 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Increase (Reduction) in pool of windfall tax benefits | 98 us-gaap_StockIssuedDuringPeriodValueOther | 98 us-gaap_StockIssuedDuringPeriodValueOther / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of restricted shares of common stock under equity incentive plan (in shares) |  | 164,500 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Issuance of restricted shares of common stock under equity incentive plan | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Cancellation of restricted shares of common stock (in shares) |  | (110,672)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Cancellation of restricted shares of common stock | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Common stock cancelled in payment of payroll taxes due on vesting of restricted shares under employee stock incentive plans (in shares) |  | (34,793)crv_CommonStockCanceledForPaymentOfPayrollTaxesOnVestingOfShareBasedCompensationShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Common stock cancelled in payment of payroll taxes due on vesting of restricted shares under employee stock incentive plans | (129)crv_CommonStockCanceledForPaymentOfPayrollTaxesOnVestingOfShareBasedCompensation | (129)crv_CommonStockCanceledForPaymentOfPayrollTaxesOnVestingOfShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Stock-based compensation | 266 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation | 266 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |
Ending Balance at Dec. 31, 2014 | $ 27,145 us-gaap_StockholdersEquity | $ 18,444 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 458 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 8,243 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance (in shares) at Dec. 31, 2014 |  | 5,207,180 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |

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