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Stock-Based Compensation (Schedule of Warrant Activity) (Details) - Warrants [Member] - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Number of Warrants |  |
Outstanding - December 31, 2014 | 362,500 |
Granted |  |
Exercised |  |
Forfeited or Canceled |  |
Outstanding - June 30, 2015 | 362,500 | 362,500
Exercisable - June 30, 2015 | 131,250 |
Weighted Average Exercise Price |  |
Outstanding - December 31, 2014 | $ 8.34 |
Granted |  |
Exercised |  |
Forfeited or Canceled |  |
Outstanding - June 30, 2015 | $ 8.34 | $ 8.34
Exercisable - June 30, 2015 | $ 10.00 |
Weighted Average Remaining Contractual Life (in Years) |  |
Outstanding | 4 years | 4 years 6 months
Exercisable - June 30, 2015 | 3 years 8 months 12 days |
Aggregate Intrinsic Value |  |
Outstanding - December 31, 2014 | $ 85,000 |
Outstanding - June 30, 2015 |  | $ 85,000
Exercisable - June 30, 2015 |  |

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