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Stock Option Plans (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Summary of option activity for employees and non-employees |  |  |
Number of Options, Beginning Balance | 1,283,741 | 1,139,282 |
Number of Options, Granted | 309,090 | 211,459 |
Number of Options, Exercised | (56,666) |  |
Number of Options, Forfeited or expired | (51,666) | (67,000) |
Number of Options, Ending Balance | 1,484,499 | 1,283,741 | 1,139,282
Number of Options, Exercisable, Ending Balance | 1,115,006 | 849,066 |
Weighted Averaged Exercise Price, Beginning Balance | $ 0.79 | $ 0.89 |
Weighted Averaged Exercise Price, Granted | $ 1.62 | $ 0.95 |
Weighted Averaged Exercise Price, Exercised |  |  |
Weighted Averaged Exercise Price, Forfeited or expired | $ 0.99 | $ 1.58 |
Weighted Averaged Exercise Price, Ending Balance | $ 1.03 | $ 0.79 | $ 0.89
Weighted Averaged Exercise Price, Exercisable, Ending Balance | $ 0.97 | $ 0.81 |
Weighted Average Remaining Contractual Life (Years), Outstanding | 2 years 10 months 17 days | 3 years 26 days | 3 years 7 months 13 days
Weighted Average Remaining Contractual Life (Years), Granted | 5 years | 4 years 4 months 17 days |
Weighted Average Remaining Contractual Life (Years), Exercisable | 2 years 4 months 28 days | 2 years 5 months 5 days |
Aggregate Intrinsic Options Value, Ending Balance | $ 996,554 |  |
Aggregate Intrinsic Options Value, Exercisable, Ending Balance | 818,531 |  |
Number of Options, Exercisable, Beginning Balance | 849,066 |  |
Weighted Averaged Exercise Price, Exercisable, Beginning Balance | $ 0.81 |  |
Option Activity for Non-Employees |  |  |
Summary of option activity for employees and non-employees |  |  |
Number of Options, Beginning Balance | 239,999 | 414,999 |
Number of Options, Granted |  | 100,000 |
Number of Options, Ending Balance | 173,332 | 239,999 | 414,999
Number of Options, Exercisable, Ending Balance | 173,332 | 234,442 | 399,443
Weighted Averaged Exercise Price, Beginning Balance | $ 1.56 | $ 1.87 |
Weighted Averaged Exercise Price, Ending Balance | $ 0.48 | $ 1.56 | $ 1.87
Weighted Averaged Exercise Price, Exercisable, Ending Balance | $ 0.48 | $ 1.57 | $ 1.90
Weighted Average Remaining Contractual Life (Years), Outstanding | 7 months 2 days | 1 year 3 months 26 days | 1 year 5 months 5 days
Weighted Average Remaining Contractual Life (Years), Exercisable | 7 months 2 days |  | 1 year 3 months 18 days
Aggregate Intrinsic Options Value, Ending Balance | 210,833 |  |
Aggregate Intrinsic Options Value, Exercisable, Ending Balance | $ 210,833 |  |
Number of Options, Forfeited | (66,667) | (175,000) |
Weighted Averaged Exercise Price, Forfeited | $ 2.50 | $ 1.79 |
Number of Options, Exercisable, Beginning Balance | 234,442 | 399,443 |
Weighted Averaged Exercise Price, Exercisable, Beginning Balance | $ 1.57 | $ 1.90 |
Vested Options |  |  |
Summary of option activity for employees and non-employees |  |  |
Number of Options, Beginning Balance | 849,066 | 638,176 |
Number of Options, Exercised | (56,666) |  |
Number of Options, Ending Balance | 1,115,006 | 849,066 |
Weighted Averaged Exercise Price, Beginning Balance | $ 0.81 | $ 0.89 |
Weighted Averaged Exercise Price, Exercised |  |  |
Weighted Averaged Exercise Price, Ending Balance | $ 0.97 | $ 0.81 |
Number of Options, Vested | 367,272 | 277,222 |
Number of Options, Forfeited | (46,666) | (66,332) |
Weighted Average Exercise Price, Vested | $ 1.19 | $ 0.92 |
Weighted Averaged Exercise Price, Forfeited | $ 0.96 | $ 1.58 |
Vested Options | Option Activity for Non-Employees |  |  |
Summary of option activity for employees and non-employees |  |  |
Number of Options, Beginning Balance | 234,442 | 399,443 |
Number of Options, Exercised |  |  |
Number of Options, Ending Balance | 173,332 | 234,442 |
Weighted Averaged Exercise Price, Beginning Balance | $ 1.57 | $ 1.90 |
Weighted Averaged Exercise Price, Exercised |  |  |
Weighted Averaged Exercise Price, Ending Balance | $ 0.48 | $ 1.57 |
Number of Options, Vested | 5,557 | 9,999 |
Number of Options, Forfeited | 6,667 | 175,000 |
Weighted Average Exercise Price, Vested | $ 1.27 | $ 1.10 |
Weighted Averaged Exercise Price, Forfeited | $ 2.50 | $ 1.79 |
Nonvested Options |  |  |
Summary of option activity for employees and non-employees |  |  |
Number of Options, Beginning Balance | 434,675 | 501,106 |
Number of Options, Granted | 309,090 | 211,459 |
Number of Options, Ending Balance | 369,493 | 434,675 |
Weighted Averaged Exercise Price, Beginning Balance | $ 0.91 | $ 0.90 |
Weighted Averaged Exercise Price, Granted | $ 1.62 | $ 0.95 |
Weighted Averaged Exercise Price, Ending Balance | $ 1.22 | $ 0.91 |
Number of Options, Vested | 369,272 | (277,222) |
Number of Options, Forfeited | (5,000) | (668) |
Weighted Average Exercise Price, Vested | $ 1.19 | $ 0.92 |
Weighted Averaged Exercise Price, Forfeited | $ 1.00 | $ 1.15 |
Nonvested Options | Option Activity for Non-Employees |  |  |
Summary of option activity for employees and non-employees |  |  |
Number of Options, Beginning Balance | 5,557 | 15,556 |
Number of Options, Granted |  |  |
Number of Options, Exercised |  |  |
Number of Options, Ending Balance |  | 5,557 |
Weighted Averaged Exercise Price, Beginning Balance | $ 1.27 | $ 1.16 |
Weighted Averaged Exercise Price, Granted |  |  |
Weighted Averaged Exercise Price, Exercised |  |  |
Weighted Averaged Exercise Price, Ending Balance |  | $ 1.27 |
Number of Options, Vested | 5,557 | (9,999) |
Number of Options, Forfeited |  |  |
Weighted Average Exercise Price, Vested | $ 1.27 | $ 1.10 |
Weighted Averaged Exercise Price, Forfeited |  |  |

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