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Stock Options | 9 Months Ended
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Sep. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock Options | Note 13. Stock Options The following table summarizes the outstanding stock option activity during the periods indicated:
|  | Number of shares |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual term |
Balance at December 31, 2016 |  |  | 1,040,387 |  |  |  | 2.25 |  |  |  | 7.80 |
Granted |  |  | 456,144 |  |  |  | 14.89 |  |  |  | 9.37 |
Exercised |  |  | (244,993 | ) |  |  | 2.07 |  |  |  | 5.61 |
Expired/Forfeited |  |  | (29,449 | ) |  |  | 6.99 |  |  |  | 0.05 |
Balance at September 30, 2017 |  |  | 1,222,089 |  |  | $ | 6.89 |  |  |  | 8.25 |
Vested and exercisable at September 30, 2017 |  |  | 518,126 |  |  | $ | 2.07 |  |  |  | 7.03 |
Vested and expected to vest at September 30, 2017 |  |  | 1,222,089 |  |  | $ | 6.89 |  |  |  | 8.25 |
The weighted average grant-date fair value of options granted during the nine months ended September 30, 2017 and for the year ended December 31, 2016 was $6.06 and $1.23, respectively. For fully vested stock options, the aggregate intrinsic value as of September 30, 2017 and December 31, 2016 was $3,651,672 and $7,770,086, respectively. For stock options expected to vest, the aggregate intrinsic value as of September 30, 2017 and December 31, 2016 was $1,722,060 and $4,569,243, respectively. During the year ended December 31, 2016, a total of 57,475 shares of restricted common stock with a fair value of $2.00 per share were issued to the Company’s Chief Financial Officer and Chief Operating Officer of which 100% of the shares vested six months after the completion of an initial public offering, or February 2017. The Company recorded $53,056 and $61,894 in expense associated with these shares during the nine months ended September 30, 2017 and the year ended December 31, 2016, respectively. At September 30, 2017 and December 31, 2016 there was $2,640,992 and $522,818, respectively, of total unrecognized compensation cost related to unvested stock options and restricted stock granted under the plans. These costs are expected to be recognized over the next three years and is based on the date the options were granted. The Company currently uses authorized and unissued shares to satisfy share award exercises.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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