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Stock-Based Compensation (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Dec. 31, 2015
Unrecognized Compensation Expense is Expected to be Recognized |  | At December 31, 2015 the Company had unrecognized compensation expense that is expected to be recognized as follows:
Year ending December 31, |  |  |  |
2016 |  | $ | 723 |
2017 |  |  | 544 |
2018 |  |  | 442 |
2019 |  |  | 140 |
|  | $ | 1,849 |
2012 Equity Incentive Plan |  |
Summary of Restricted Stock Activity | The following table summarizes restricted stock activity under the 2012 Plan from January 1, 2016 through September 30, 2016:
|  | Number of Units |  |  | Weighted Average |
Unvested, December 31, 2015 |  |  | 289,557 |  |  | $ | 8.02 |
Granted |  |  | 160,600 |  |  |  | 3.85 |
Vested |  |  | (90,090 | ) |  |  | (8.01 | )
Forfeitures |  |  | (9,900 | ) |  |  | (6.00 | )
Unvested, September 30, 2016 |  |  | 350,167 |  |  | $ | 6.87 |
| The following table summarizes restricted stock activity under the Plan from January 1, 2014 through December 31, 2015:
|  | Number of Shares |  |  | Weighted Average |
January 1, 2014 |  |  | 53,240 |  |  | $ | 2.16 |
Granted |  |  | 338,800 |  |  |  | 8.06 |
Vested |  |  | (21,560 | ) |  |  | (3.0 | )
Forfeiture |  |  | (220 | ) |  |  | (2.25 | )
Unvested, December 31, 2014 |  |  | 370,260 |  |  | $ | 7.89 |
Granted |  |  | 44,000 |  |  |  | 8.06 |
Vested |  |  | (98,560 | ) |  |  | (7.61 | )
Forfeiture |  |  | (26,400 | ) |  |  | (7.75 | )
Unvested, December 31, 2015 |  |  | 289,300 |  |  | $ | 8.02 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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