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Capital Stock (Tables) | 9 Months Ended
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Sep. 30, 2019
Capital Stock Disclosure [Abstract] |
Schedule Of Stock Options And Restricted Stock Units Activity Rollforward [Table Text Block] |
|  |  | Stock Options |  | Restricted Stock Units |  | Market Condition RSU's
|  |  |  |  |  | Weighted |  |  |  |  | Weighted |  |  |  |  | Weighted
|  |  | Stock |  |  | Average |  | Restricted |  |  | Average |  | Market |  |  | Average
|  |  | Options |  |  | Exercise |  | Stock Units |  |  | Grant Date |  | Condition RSU's |  |  | Grant Date
|  |  | Outstanding |  |  | Price |  | Outstanding |  |  | Fair Value |  | Outstanding |  |  | Fair Value
Balance at December 31, 2018 |  | 1,956,732 |  |  | $ | 4.25 |  | 1,233,762 |  |  | $ | 3.36 |  | 116,944 |  |  | $ | 4.19
| Granted |  | 804,039 |  |  |  | 3.35 |  | 1,472,884 |  |  |  | 2.25 |  | 541,627 |  |  |  | 2.14
| Exercised |  | (2,500) |  |  |  | 3.25 |  | - |  |  |  | - |  | - |  |  |  | -
| Vested (RSUs) |  | - |  |  |  | - |  | (788,512) |  |  |  | 3.30 |  | (3,778) |  |  |  | 3.30
| Cancelled / forfeited |  | (616,436) |  |  |  | 3.96 |  | (471,006) |  |  |  | 3.41 |  | (188,680) |  |  |  | 3.63
Balance at September 30, 2019 |  | 2,141,835 |  |  | $ | 4.15 |  | 1,447,128 |  |  | $ | 3.19 |  | 466,113 |  |  | $ | 4.16
Stock Based Compensation Expense Activity By Function [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended
|  | September 30, |  |  | September 30,
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018
|  | (in thousands)
Cost of revenues | $ | 13 |  | $ | 19 |  | $ | 34 |  | $ | 45
Sales and marketing |  | 39 |  |  | 105 |  |  | 68 |  |  | 331
General and administrative |  | 895 |  |  | 308 |  |  | 1,975 |  |  | 1,581
Research and development |  | 40 |  |  | 54 |  |  | 116 |  |  | 125
Discontinued operations |  | - |  |  | - |  |  | - |  |  | 150
Total stock-based compensation | $ | 987 |  | $ | 486 |  | $ | 2,193 |  | $ | 2,232
Basic and Diluted Shares [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended |
|  | September 30, |  | September 30, |
|  | 2019 |  | 2018 |  | 2019 |  | 2018 |
Basic |  | 38,036,261 |  | 36,947,052 |  | 37,764,489 |  | 36,169,536 |
Effect of assumed conversion of employee and director stock options, restricted stock units and Market Condition RSUs |  | - |  | - |  | - |  | - |
Diluted |  | 38,036,261 |  | 36,947,052 |  | 37,764,489 |  | 36,169,536 |

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