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Stock-Based Compensation | 9 Months Ended
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Sep. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-Based Compensation | 14. Stock-Based Compensation Stock Plans During the nine months ended September 30, 2017, the Company granted 87,500 shares of restricted stock with a weighted average grant date fair value of $1.11 per share. These costs will be amortized ratably over a period of 0 to 48 months. As of September 30, 2017, there were 1.7 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, 2017 and resulted in 2,000 shares being purchased/granted at a fair value of $0.77 per share. The next six-month offering period began on October 1, 2017 and will end on March 31, 2018. These shares will have a fair value of $0.96 per share. Stock Compensation The Company accounts for all stock-based payment awards made to employees and directors based on their fair values, which is 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):
|  | For the Three Months Ended September 30, |  |  | For the Nine Months Ended September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (unaudited) |  |  | (unaudited) |
Cost of revenues |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3 |
Selling and marketing |  |  | 5 |  |  |  | 84 |  |  |  | (28 | ) |  |  | 238 |
Research and development |  |  | 44 |  |  |  | 128 |  |  |  | 169 |  |  |  | 375 |
General and administrative |  |  | 119 |  |  |  | 196 |  |  |  | 463 |  |  |  | 557 |
Restructuring expense |  |  | — |  |  |  | — |  |  |  | 398 |  |  |  | — |
Total non-cash stock compensation expense |  | $ | 168 |  |  | $ | 408 |  |  | $ | 1,002 |  |  | $ | 1,173 |

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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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