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STOCK-BASED COMPENSATION PLANS | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
STOCK-BASED COMPENSATION PLANS | 7. STOCK-BASED COMPENSATION PLANS On April 3, 2015, the Company’s board of directors (the “Board of Directors”) unanimously approved the Company’s 2015 Equity Incentive Plan (the “2015 Equity Incentive Plan”), which was approved by the Company’s stockholders. Under the 2015 Equity Incentive Plan, the Company granted awards of restricted shares of Common Stock to each of the independent members of the Board of Directors. A summary of the Company’s restricted shares as of December 31, 2021 and 2020 and the changes during the years ended is as follows:
|  |  |  | Weighted
|  | Number |  | Average Grant
|  | of |  | Date Fair Value
|  | Shares (1) |  | Per Share (1)
Balance, December 31, 2019 |  | 3,880 |  |  | $ | 56.66 |
Granted |  | 21,912 |  |  | $ | 10.04 |
Vested |  | (3,880) |  |  | $ | 56.66 |
Balance, December 31, 2020 |  | 21,912 |  |  | $ | 10.04 |
Granted |  | 20,332 |  |  | $ | 10.82 |
Vested |  | (21,912) |  |  | $ | 10.04 |
Balance, December 31, 2021 |  | 20,332 |  |  | $ | 10.82 |
(1)Amounts have been adjusted to give retroactive effect to the Reverse Stock Split. Compensation expense related to these restricted shares of Common Stock is recognized over the vesting period, and generally vests based on one year of continuous service. The Company recorded compensation expense related to these restricted shares of Common Stock in the amount of $220,000 and $222,000 for the years ended December 31, 2021 and 2020, respectively. As of December 31, 2021, there was $73,000 of total unrecognized compensation expense related to shares of Common Stock which will be recognized ratably over the remaining vesting period. The estimated fair value of restricted shares vested during 2021 and 2020 was $220,000 and $220,000, respectively.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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