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STOCK-BASED COMPENSATION (Tables) - 2015 EIP Plan | 3 Months Ended
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Mar. 31, 2021
Stock Options |
Stock Awards |
Schedule of nonvested stock amortization expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended | ​
​ | ​ | March 31, | ​
​ | ​ | 2021 |  | 2020 |
General and administrative expenses | ​ | $ | 180 | ​ | $ | 205 | ​
Schedule of stock option activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | Weighted | ​ | ​ | ​
​ | ​ | Number | ​ | Average | ​ | Average | ​ | ​ | ​
​ | ​ | of | ​ | Exercise | ​ | Fair | ​ | ​ | ​
​ |  | Options |  | Price |  | Value |  | ​ | ​
Outstanding as of January 1, 2021 |  | 837,338 |  | $ | 8.86 | ​ | ​ | 4.02 | ​ | ​ | ​
Granted |  | 118,552 | ​ | ​ | 9.91 | ​ | ​ | 4.33 | ​ | ​ | ​
Exercised |  | (16,742) | ​ | ​ | 7.47 | ​ | ​ | 2.72 | ​ | ​ | ​
Forfeited |  | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding as of March 31, 2021 |  | 939,148 |  | $ | 9.02 | ​ | $ | 4.08 | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable as of March 31, 2021 |  | 511,830 |  | $ | 9.84 | ​ | $ | 5.00 | ​ | ​ | ​
​ The following table summarizes certain information about the options outstanding as of March 31, 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Options Outstanding and Unvested, | ​ | Options Outstanding and Exercisable, | ​
​ | ​ | ​ | March 31, 2021 | ​ | March 31, 2021 | ​
Weighted | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ |  | ​ | ​ | Weighted | ​
Average |  | ​ | ​ | Weighted | ​ | Average | ​ | ​ | ​ | Weighted | ​ | Average | ​
Exercise Price of |  | ​ | ​ | Average | ​ | Remaining | ​ | ​ | ​ | Average | ​ | Remaining | ​
Outstanding | ​ | Number of | ​ | Exercise | ​ | Contractual | ​ | Number of | ​ | Exercise | ​ | Contractual | ​
Options |  | Options |  | Price |  | Life |  | Options |  | Price |  | Life |
$ | 9.02 |  | 427,318 | ​ | $ | 8.04 | ​ | 5.00 | ​ | 511,830 | ​ | $ | 9.84 | ​ | 3.38 | ​
​
Restricted Stock Units |
Stock Awards |
Schedule of nonvested stock amortization expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended | ​
​ | ​ | March 31, | ​
​ |  | 2021 |  | 2020 |
General and administrative expenses | ​ | $ | 342 | ​ | $ | 276 | ​
Summary of nonvested restricted stock units | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Weighted | ​
​ | Number of | ​ | Average Grant | ​
​ | RSUs | ​ | Date Price | ​
Outstanding as of January 1, 2021 | 298,834 | ​ | $ | 7.49 | ​
Granted | 103,870 | ​ | ​ | 9.91 | ​
Vested | (105,458) | ​ | ​ | 8.29 | ​
Forfeited | — | ​ | ​ | — | ​
​ | ​ | ​ | ​ | ​ | ​
Outstanding as of March 31, 2021 | 297,246 | ​ | $ | 8.06 | ​
​ The total fair value of the RSUs that vested during the three months ended March 31, 2021 and 2020 was $1,130 and $351, respectively. The total fair value is calculated as the number of shares vested during the period multiplied by the fair value on the vesting date. ​ The following table summarizes certain information of the RSUs unvested and vested as of March 31, 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unvested RSUs | ​ | Vested RSUs | ​
March 31, 2021 | ​ | March 31, 2021 | ​
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | ​ | ​
​ | ​ | Weighted | ​ | Average | ​ | ​ | ​ | Weighted | ​
​ | ​ | Average | ​ | Remaining | ​ | ​ | ​ | Average | ​
Number of | ​ | Grant Date | ​ | Contractual | ​ | Number of | ​ | Grant Date | ​
RSUs |  | Price |  | Life |  | RSUs |  | Price |
297,246 | ​ | $ | 8.06 | ​ | 1.88 | ​ | 611,355 | ​ | $ | 10.59 | ​
​

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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