Stockholders' Equity (Deficit) (Common Stock Warrants) (Details) - $ / shares
|
1 Months Ended |
2 Months Ended |
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2014 |
Feb. 28, 2014 |
Feb. 28, 2014 |
Aug. 31, 2012 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2011 |
Aug. 31, 2014 |
| Secured Debt [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares of common stock issuable through warrants |
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52,695
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| Exercise price of warrants |
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$ 4.27
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| Common Stock Warrants [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares of common stock issuable through warrants |
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15,218
|
15,218
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20,549
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| Exercise price of warrants |
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$ 4.83
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$ 11.03
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$ 12.50
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$ 0.48
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| Expiration term |
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10 years
|
|
5 years
|
10 years
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| Exercise price |
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$ 0.48
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| Common stock, price per share |
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$ 12.50
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| Common Stock Warrants |
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| Outstanding, beginning balance |
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|
178,159
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|
178,159
|
53,159
|
|
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| Granted |
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|
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52,695
|
125,000
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32,610
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| Exercised |
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(88,462)
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| Expired |
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| Outstanding, ending balance |
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142,392
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178,159
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| Number of shares issued from cashless exercise of warrant |
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14,318
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8,065
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| Common Stock Warrants [Member] | Secured Debt [Member] |
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| Common Stock Warrants |
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| Number of shares issued from cashless exercise of warrant |
17,664
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