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SHARE-BASED COMPENSATION (Tables) | 3 Months Ended
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Mar. 31, 2021
SHARE-BASED COMPENSATION |
Schedule of restricted stock units activity | The following is a summary of restricted stock units (the “RSU”) activity (in thousands, except per unit data):
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number of Units | ​ | ​ | Weighted Average Grant date Fair Value
Nonvested, January 1, 2021 | ​ | 43 | ​ | $ | 13.63
Granted | ​ | - | ​ | $ | -
Vested | ​ | 9 | ​ | $ | 13.63
Nonvested, March 31, 2021 | ​ | 34 | ​ | $ | 13.63
Schedule of stock option activity | The following is a summary of option activity (in thousands, except per unit data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Number of Units |  | Weighted Average Exercise Price |  | Weighted Average Fair Value |  | Weighted Average Remaining Contractual Life |  | Aggregate Intrinsic Value
Outstanding, January 1, 2021 | ​ | 35 | ​ | $ | 14.44 | ​ | $ | 8.67 | ​ | 9.61 | ​ | ​ | ​
Granted | ​ | — | ​ | $ | — | ​ | $ | — | ​ | — | ​ | ​ | ​
Exercised | ​ | — | ​ | $ | — | ​ | $ | — | ​ | — | ​ | ​ | ​
Outstanding, March 31, 2021 | ​ | 35 | ​ | $ | 14.44 | ​ | $ | 8.67 | ​ | 9.36 | ​ | $ | 114
Exercisable, March 31, 2021 | ​ | — | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | —

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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