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10. Share-Based Employee Compensation (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Share-Based Employee Compensation Details    
Expected Volatility 59.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 72.30%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Expected Dividends 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Expected Term (in years) 3 years 3 years
Risk-Free Rate 0.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate 1.05%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Estimated forfeitures 0.00%RWC_ShareBasedCompensationFairValueAssumptionsEstimatedForfeitures 0.00%RWC_ShareBasedCompensationFairValueAssumptionsEstimatedForfeitures