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Fair Value Measurement (Narrative) (Details) (USD $)
0 Months Ended 3 Months Ended
Apr. 08, 2013
Mar. 31, 2014
Feb. 18, 2014
Mar. 31, 2014
Money Market Funds [Member]
Fair Value, Inputs, Level 1 [Member]
Dec. 31, 2013
Money Market Funds [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Cash Equivalents       $ 14,003,000 $ 14,001,000
Stipulation of settlement, payment to plaintiff, warrants 250,000   250,000    
Expected volatility rate   41.00%      
Risk free interest rate   1.50%      
Stipulation of settlement, payment to plaintiff, warrants, term 5 years 5 years      
Warrants, fair value per share   6.59      
Liabilities, Fair Value Adjustment   $ 400,000