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Additional Paid-In Capital (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule Of Additional Paid-In Capital |
|  | Warrants |  |  | Stock options and RSUs |  |  | Compensation options |  |  | Other paid-in capital |  |  | Total additional paid-in capital
As of December 31, 2010 | $ | 10,721 |  | $ | 4,695 |  | $ | - |  | $ | 7,565 |  | $ | 22,981
Convertible notes broker warrants |  | (336) |  |  | - |  |  | - |  |  | 336 |  |  | -
Warrants exercised |  | (97) |  |  | - |  |  | - |  |  | - |  |  | (97)
Compensation options issued |  | - |  |  | - |  |  | 588 |  |  | - |  |  | 588
Stock options exercised |  | - |  |  | (430) |  |  | - |  |  | - |  |  | (430)
Stock options expired |  | - |  |  | (828) |  |  | - |  |  | 828 |  |  | -
Stock options amortization |  | - |  |  | 1,496 |  |  | - |  |  | - |  |  | 1,496
Restricted stock units exercised |  | - |  |  | (392) |  |  | - |  |  | - |  |  | (392)
Restricted stock units expensed |  | - |  |  | 524 |  |  | - |  |  | - |  |  | 524
As of December 31, 2011 |  | 10,288 |  |  | 5,065 |  |  | 588 |  |  | 8,729 |  |  | 24,670
Warrants exercised |  | (601) |  |  | - |  |  | - |  |  | 601 |  |  | -
Warrants issued |  | 3,260 |  |  | - |  |  | - |  |  | - |  |  | 3,260
Warrants expired |  | (11) |  |  | - |  |  | - |  |  | 11 |  |  | -
Stock options amortization |  | - |  |  | 1,081 |  |  | - |  |  | - |  |  | 1,081
Stock options exercised |  | - |  |  | (50) |  |  | - |  |  | 50 |  |  | -
Stock options expired |  | - |  |  | (1,585) |  |  | - |  |  | 1,585 |  |  | -
Restricted stock units expensed |  | - |  |  | 3,144 |  |  | - |  |  | - |  |  | 3,144
Compensation options exercised |  | - |  |  | - |  |  | (294) |  |  | 294 |  |  | -
As of December 31, 2012 | $ | 12,936 |  | $ | 7,655 |  | $ | 294 |  | $ | 11,270 |  | $ | 32,155
Summary Of Warrant Activity |
|  | Warrants outstanding |  | Valuation |  | Weighted average exercise price per share |  | Weighted average remaining life (yrs.) |  | Intrinsic value
As of December 31, 2010 |  | 16,138,480 | $ | 10,721 | $ | 3.48 |  | 4.6 | $ | 57
Convertible notes broker warrants expired |  | (200,000) |  | (336) |  |  |  |  |  |
Exercised |  | (88,242) |  | (97) |  |  |  |  |  |
As of December 31, 2011 |  | 15,850,238 |  | 10,288 | $ | 3.91 |  | 3.7 | $ | 485
Exercised |  | (619,565) |  | (601) |  |  |  |  |  |
Expired |  | (10,871) |  | (11) |  |  |  |  |  |
Issued (Note 8) |  | 4,757,941 |  | 3,260 |  |  |  |  |  |
As of December 31, 2012 |  | 19,977,743 | $ | 12,936 | $ | 4.25 |  | 2.6 | $ | -
Schedule Of Compensation Options |
|  | Compensation options outstanding |  |  | Valuation |  |  | Weighted average exercise price per share |  | Expiry date |  | Weighted average remaining life (yrs.)
As of December 31, 2010 |  | - |  | $ | - |  | $ | - |  |  |  |
Issued |  | 450,000 |  |  | 588 |  |  | 3.30 |  | April 2013 |  | 2.0
As of December 31, 2011 |  | 450,000 |  |  | 588 |  |  | 3.30 |  | April 2013 |  | 1.3
Exercised |  | (225,000) |  |  | (294) |  |  |  |  |  |  |
As of December 31, 2012 |  | 225,000 |  | $ | 294 |  | $ | 3.30 |  | April 2013 |  | 0.3
Summary Of The Fair Value Of All Awards issued Under Stock Compensation Plans |
|  | Year ended December 31,
|  | 2012 |  | 2011 |  | 2010
Stock options | $ | 1,081 | $ | 1,496 | $ | 382
Restricted stock units |  | 3,144 |  | 524 |  | 126
| $ | 4,225 | $ | 2,020 | $ | 508
Summary Of Option Activity |
|  | Number of options |  | Weighted average exercise price per option |  | Weighted average remaining contractual term |  | Aggregate intrinsic value
Outstanding - December 31, 2010 |  | 2,588,661 | $ | 3.55 |  | 2.90 | $ | 463
Granted |  | 1,246,000 |  | 3.04 |  |  |  |
Exercised |  | (354,984) |  | 2.48 |  |  |  |
Cancelled |  | (85,500) |  | 3.44 |  |  |  |
Expired/Forfeited |  | (199,177) |  | 6.90 |  |  |  |
Outstanding - December 31, 2011 |  | 3,195,000 |  | 3.27 |  | 2.73 |  | 1,039
Granted |  | 600,000 |  | 2.97 |  |  |  |
Exercised |  | (32,500) |  | 2.90 |  |  |  |
Expired |  | (660,000) |  | 5.19 |  |  |  |
Outstanding - December 31, 2012 |  | 3,102,500 | $ | 2.80 |  | 2.68 | $ | 637
Exercisable - December 31, 2012 |  | 2,802,500 | $ | 2.79 |  | 2.49 | $ | 626
Summary Of The Status Of Unvested Stock Options |
|  |  |  |  |  | Number of options |  | Weighted average grant-date fair value per option |
Unvested - December 31, 2010 |  |  |  |  |  | 82,500 | $ | 1.36 |
Granted |  |  |  |  |  | 1,246,000 |  | 1.60 |
Vested |  |  |  |  |  | (693,000) |  | 1.57 |
Forfeited |  |  |  |  |  | (38,000) |  | 1.51 |
Unvested - December 31, 2011 |  |  |  |  |  | 597,500 |  | 1.60 |
Granted |  |  |  |  |  | 600,000 |  | 1.47 |
Vested |  |  |  |  |  | (897,000) |  | 1.56 |
Unvested - December 31, 2012 |  |  |  |  |  | 300,000 | $ | 1.47 |
Summary Of Restricted Stock Units Activity |
|  | Number of units |  | Weighted average grant-date fair value per RSU
Unvested - December 31, 2010 |  | 175,500 | $ | 2.37
Forfeited |  | (10,000) |  | 2.37
Vested |  | (165,500) |  | 2.37
Granted |  | 960,000 |  | 3.84
Unvested - December 31, 2011 |  | 960,000 |  | 3.84
Cancelled |  | (107,832) |  | 3.07
Granted |  | 1,142,339 |  | 3.20
Unvested - December 31 , 2012 |  | 1,994,507 | $ | 3.52
Stock Options [Member] |
Schedule of Share Based Payments Valuation Assumptions |
|  |  |  |  | Years ended December 31,
|  |  | 2012 |  | 2011 |  | 2010
Expected volatility |  |  | 81.69% | - | 83.67% |  | 83.40% | - | 83.86% |  | 81.86% | - | 82.88%
Risk-free interest rate |  |  | 0.77% | - | 0.88% |  | 0.88% | - | 1.60% |  | 1.51% | - | 2.88%
Expected life (years) |  |  | 5 |  | 5 |  | 5
Dividend yield |  |  | N/A |  | N/A |  | N/A
Warrants [Member] |
Schedule of Share Based Payments Valuation Assumptions |
Expected volatility |  | 63.70% | - | 67.50%
Risk-free interest rate |  | 0.24% | - | 0.26%
Expected life (years) |  | 2
Dividend yield |  | N/A

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