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Stock-Based Compensation (Details Textual) (USD $)
|
3 Months Ended |
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
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| Stock-Based Compensation (Textual) |
|
|
|
|
|
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| Stock-based compensation expense |
|
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$ 874,969 |
$ 836,108 |
$ 1,263,633 |
$ 1,129,960 |
| Number of shares authorized under Option |
7,500,000 |
|
7,500,000 |
|
7,500,000 |
|
| Percentage of common stock delivered pursuant to incentive stock options |
|
|
100.00% |
|
100.00% |
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| Number of stock reserved for issuance |
3,246,935 |
|
3,246,935 |
|
3,400,210 |
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Stock Options [Member]
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|
|
|
|
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| Stock-Based Compensation (Textual) |
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|
|
|
|
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| Stock options outstanding, intrinsic value |
1,100,260 |
1,487,773 |
1,100,260 |
1,487,773 |
9,100 |
1,807,362 |
| Stock options exercisable, intrinsic value |
509,047 |
823,785 |
509,047 |
823,785 |
9,100 |
1,179,516 |
| Stock-based compensation expense |
159,208 |
145,694 |
265,704 |
600,613 |
414,501 |
814,996 |
|
Non Employee Stock Option [Member]
|
|
|
|
|
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| Stock-Based Compensation (Textual) |
|
|
|
|
|
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| Stock options outstanding, intrinsic value |
24,500 |
89,810 |
24,500 |
89,810 |
0 |
152,500 |
| Stock options exercisable, intrinsic value |
24,500 |
89,810 |
24,500 |
89,810 |
0 |
137,500 |
| Stock-based compensation expense |
|
|
129,411 |
67,568 |
129,411 |
115,178 |
| Restricted stock recorded as issued on the Company's Consolidated Balance Sheet |
|
|
|
|
1,125,000 |
925,000 |
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Unvested Stock Options [Member]
|
|
|
|
|
|
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| Stock-Based Compensation (Textual) |
|
|
|
|
|
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| Total unrecognized compensation cost related to non-vested stock options |
1,061,360 |
1,782,664 |
1,061,360 |
1,782,664 |
1,044,158 |
1,846,201 |
| Weighted average expected recognition period of compensation cost not yet recognized |
|
|
3 years 7 days |
2 years 5 months 23 days |
2 years 10 months 6 days |
2 years 6 months 29 days |
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Restricted Stock [Member]
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|
|
|
|
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| Stock-Based Compensation (Textual) |
|
|
|
|
|
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| Stock-based compensation expense |
270,692 |
80,621 |
609,265 |
235,495 |
849,132 |
314,964 |
| Restricted stock recorded as issued on the Company's Consolidated Balance Sheet |
10,805,000 |
|
10,805,000 |
|
10,855,000 |
5,175,000 |
|
Unvested Restricted Stock Award [Member]
|
|
|
|
|
|
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| Stock-Based Compensation (Textual) |
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|
|
|
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| Total unrecognized compensation cost related to non-vested stock options |
5,534,038 |
2,884,673 |
5,534,038 |
2,884,673 |
4,930,101 |
3,169,203 |
| Weighted average expected recognition period of compensation cost not yet recognized |
|
|
5 years 10 months 13 days |
9 years 2 months 9 days |
8 years 4 months 2 days |
9 years |
|
Unvested Non-employee Stock Options [Member]
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|
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| Stock-Based Compensation (Textual) |
|
|
|
|
|
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| Total unrecognized compensation cost related to non-vested stock options |
|
|
|
|
|
419,206 |
| Weighted average expected recognition period of compensation cost not yet recognized |
|
|
|
|
|
1 year 6 months 26 days |
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Non-employee unvested restricted stock awards [Member]
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|
|
|
|
|
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| Stock-Based Compensation (Textual) |
|
|
|
|
|
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| Stock-based compensation expense |
|
|
|
|
54,721 |
|
| Total unrecognized compensation cost related to non-vested stock options |
|
|
|
|
$ 402,724 |
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| Weighted average expected recognition period of compensation cost not yet recognized |
|
|
|
|
8 years 18 days |
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