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Stock-Based Compensation | 9 Months Ended
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Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation | 6. Stock-Based Compensation Stock Plans During the three months ended September 30, 2016, the Company granted options to purchase 32,500 shares of common stock at $2.36 per share and 18,750 shares of restricted stock with a grant date fair value of $2.40 per share. During the nine months ended September 30, 2016, the Company granted options to purchase 32,500 shares of common stock at $2.36 per share and 375,000 shares of restricted stock with a weighted average grant date fair value of $2.70 per share. These costs will be amortized ratably over a period of 12 to 48 months. As of September 30, 2016, there were 1.6 million shares available for future grants under the 2015 Omnibus Equity Incentive Plan. Employee Stock Purchase Plan The Company’s most recent six-month offering period ended September 30, 2016 and resulted in 3,500 shares being purchased/granted at a fair value of $1.24 per share. The next six-month offering period began on October 1, 2016 and will end on March 31, 2017. These shares will have a fair value of $0.72 per share. Stock Compensation The Company accounts for all stock-based payment awards made to employees and directors based on their fair values and recognized as compensation expense over the vesting period using the straight-line method over the requisite service period for each award as required by FASB ASC Topic No. 718, Compensation-Stock Compensation. Restricted stock is valued using the closing stock price on the date of the grant. Options are valued using a Black-Scholes valuation model. Stock-based non-cash compensation expense related to stock options, restricted stock grants and the employee stock purchase plan were recorded in the financial statements as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
|  | (unaudited) |  |  | (unaudited) |
Cost of revenues |  | $ | — |  |  | $ | 3 |  |  | $ | 3 |  |  | $ | 9 |
Selling and marketing |  |  | 84 |  |  |  | 84 |  |  |  | 238 |  |  |  | 242 |
Research and development |  |  | 128 |  |  |  | 153 |  |  |  | 375 |  |  |  | 473 |
General and administrative |  |  | 196 |  |  |  | 287 |  |  |  | 557 |  |  |  | 903 |
Total non-cash stock compensation expense |  | $ | 408 |  |  | $ | 527 |  |  | $ | 1,173 |  |  | $ | 1,627 |
Total share-based compensation for each quarter included cash payments of income taxes related to grants of restricted stock in the amount of $0 and $16,000 for the three month periods ended September 30, 2016 and 2015, respectively. The cash payments of income taxes related to grants of restricted stock totaled $0 and $70,000 for the nine month periods ended September 30, 2016 and 2015, respectively.

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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 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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