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4) Stock-based Compensation: Schedule of stock inventive plan changes (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Class A Common Stock |  |  |  |
Shares, Outstanding | 480,129 | 408,464 | 512,795 | 405,133
Shares outstanding | $ 3.28 | $ 2.75 | $ 3.20 | $ 2.41
Shares Granted |  | 52,000 |  |
Per Share Shares Granted |  | $ 4.29 |  |
Shares Exercised | (23,820) | (40,468) |  |
Per Share Shares Exercised | $ 1.85 | $ 1.66 |  |
Shares Cancelled | (8,846) | (8,201) |  |
Per Share Shares cancelled | $ 2.31 | $ 2.29 |  |
Options Exercisable | 447,571 | 334,869 |  |
Options exercisable | $ 3.17 | $ 2.40 |  |
Available options for future grant | $ 561,649 | $ 412,480 |  |
Weighted average contractual term of options outstanding | 7.15 years | 7.01 years |  |
Weighted average contractual term of options exercisable | 7.00 years | 6.45 years |  |
Aggregated intrinsic value of options outstanding | $ 1,646,768 | $ 913,166 |  |
Aggregated intrinsic value of options exercisable | $ 1,583,605 | $ 869,804 |  |
Class C Common Stock |  |  |  |
Shares, Outstanding | 577,568 | 558,656 | 691,591 | 508,656
Shares outstanding | $ 2.62 | $ 2.25 | $ 2.00 | $ 2.00
Shares Granted |  | 50,000 |  |
Per Share Shares Granted |  | $ 4.72 |  |
Shares Exercised | (114,023) |  |  |
Per Share Shares Exercised | $ 2.14 |  |  |
Options Exercisable | 550,693 | 495,532 |  |
Options exercisable | $ 2.51 | $ 1.92 |  |
Available options for future grant | $ 155,000 | $ 55,000 |  |
Weighted average contractual term of options outstanding | 2.41 years | 2.57 years |  |
Weighted average contractual term of options exercisable | 2.35 years | 1.80 years |  |
Aggregated intrinsic value of options outstanding | $ 2,363,921 | $ 1,524,902 |  |
Aggregated intrinsic value of options exercisable | $ 2,312,190 | $ 1,512,402 |  |

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