|
Stock-based Compensation - Weighted Average Assumptions (Details) (Stock options [Member], USD $)
|
9 Months Ended |
|
Sep. 30, 2013
|
|
February 3, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
Feb.
03,
2013 |
| Options Granted |
44,500 |
| Weighted-Average Fair Value |
$ 5.55 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.43% |
| Expected Volatility |
61.00% |
| Expected Dividend Yield |
0.00% |
|
March 11, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
Mar. 11,
2013 |
| Options Granted |
50,500 |
| Weighted-Average Fair Value |
$ 3.12 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.43% |
| Expected Volatility |
60.00% |
| Expected Dividend Yield |
0.00% |
|
April 29, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
Apr. 29,
2013 |
| Options Granted |
62,500 |
| Weighted-Average Fair Value |
$ 2.88 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.10% |
| Expected Volatility |
60.00% |
| Expected Dividend Yield |
0.00% |
|
May 16, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
May 16,
2013 |
| Options Granted |
889,250 |
| Weighted-Average Fair Value |
$ 3.68 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.25% |
| Expected Volatility |
60.00% |
| Expected Dividend Yield |
0.00% |
|
June 17, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
Jun. 17,
2013 |
| Options Granted |
45,000 |
| Weighted-Average Fair Value |
$ 3.23 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.57% |
| Expected Volatility |
60.00% |
| Expected Dividend Yield |
0.00% |
|
July 26, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
Jul. 26,
2013 |
| Options Granted |
47,500 |
| Weighted-Average Fair Value |
$ 3.25 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.67% |
| Expected Volatility |
59.00% |
| Expected Dividend Yield |
0.00% |
|
September 16, 2013 [Member]
|
|
| Summary of the option grants and assumptions used in the Black-Scholes option pricing model to value the options |
|
| Grant Date |
Sep. 16,
2013 |
| Options Granted |
101,500 |
| Weighted-Average Fair Value |
$ 2.69 |
| Expected Life of Options (In years) |
6 years 3 months |
| Risk-Free Interest Rate |
1.96% |
| Expected Volatility |
59.00% |
| Expected Dividend Yield |
0.00% |