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Stockholders' Equity (Details 4) (Restricted Stock Units (RSUs) [Member], USD $)
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12 Months Ended |
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Dec. 31, 2013
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Restricted Stock Units (RSUs) [Member]
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| Stockholders Equity [Line Items] | |
| Outstanding Number of RSU's at January 1, 2013 | 371,491 |
| Granted Number of RSU's | 30,702 |
| Vested and converted to common shares Number of RSUs | 0 |
| Forfeited Number of RSU's | (568) |
| Outstanding Number of RSU's at December 31, 2013 | 401,625 |
| Exercisable Number of RSU's at December 31, 2013 | 389,465 |
| Outstanding Weighted-Average Grant Date Fair Value at January 1, 2013 | $ 2.10 |
| Granted Weighted-Average Grant Date Fair Value | $ 1.14 |
| Vested and converted to common shares Weighted-Average Grant Date Fair Value | $ 0 |
| Forfeited Weighted-Average Grant Date Fair Value | $ 1.19 |
| Outstanding Weighted-Average Grant Date Fair Value at December 31, 2013 | $ 2.03 |
| Exercisable Weighted-Average Grant Date Fair Value at December 31, 2013 | $ 2.06 |