|
Stockholders' Equity (Details 2) (USD $)
|
12 Months Ended |
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|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Stockholders Equity [Line Items] |
|
|
| Number of Options Outstanding |
18,577,207 |
|
| Weighted-Average Exercise Price |
$ 1.79 |
$ 1.98 |
| Weighted-Average Remaining Contractual Life (in Years) |
5 years 9 months 18 days |
|
| Aggregate Intrinsic Value |
$ 24,000,710 |
$ 1,926,000 |
|
Range One [Member]
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|
|
| Stockholders Equity [Line Items] |
|
|
| Range of Exercise Price (Lower) |
$ 0.50 |
|
| Range of Exercise Price (Upper) |
$ 1 |
|
| Number of Options Outstanding |
7,400,000 |
|
| Weighted-Average Exercise Price |
$ 0.78 |
|
| Weighted-Average Remaining Contractual Life (in Years) |
6 years 3 months 18 days |
|
| Aggregate Intrinsic Value |
15,734,000 |
|
|
Range Two [Member]
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|
|
| Stockholders Equity [Line Items] |
|
|
| Range of Exercise Price (Lower) |
$ 1.01 |
|
| Range of Exercise Price (Upper) |
$ 2.00 |
|
| Number of Options Outstanding |
4,296,837 |
|
| Weighted-Average Exercise Price |
$ 1.19 |
|
| Weighted-Average Remaining Contractual Life (in Years) |
7 years 7 months 6 days |
|
| Aggregate Intrinsic Value |
7,381,481 |
|
|
Range Three [Member]
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|
|
| Stockholders Equity [Line Items] |
|
|
| Range of Exercise Price (Lower) |
$ 2.01 |
|
| Range of Exercise Price (Upper) |
$ 3.00 |
|
| Number of Options Outstanding |
2,077,037 |
|
| Weighted-Average Exercise Price |
$ 2.48 |
|
| Weighted-Average Remaining Contractual Life (in Years) |
5 years 4 months 24 days |
|
| Aggregate Intrinsic Value |
885,229 |
|
|
Range Four [Member]
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|
|
| Stockholders Equity [Line Items] |
|
|
| Range of Exercise Price (Lower) |
$ 3.01 |
|
| Range of Exercise Price (Upper) |
$ 4.00 |
|
| Number of Options Outstanding |
4,803,333 |
|
| Weighted-Average Exercise Price |
$ 3.59 |
|
| Weighted-Average Remaining Contractual Life (in Years) |
3 years 8 months 12 days |
|
| Aggregate Intrinsic Value |
$ 0 |
|