Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details)

v2.4.1.9
Stock Based Compensation (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Expected volatility 60.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Risk-free interest rate, Minimum 1.30%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
Risk-free interest rate, Maximum 2.03%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock price 2.49us-gaap_SharePrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Expected life 3 years 9 months
Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock price 6.00us-gaap_SharePrice
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Expected life 6 years 3 months