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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Nonvested Restricted Stock Units Activity | As of March 31, 2021, 184,487 shares of restricted stock had been granted under the 2010 Plan and 40,439 shares under the 2020 Plan, of which 85,740 shares remain restricted as of March 31, 2021 as detailed in the following table:
Year Granted | Vesting Term (In Years) | Shares | Remaining Term (In Years)
2017 | 5.0 | 5,774 |  | 0.8
2018 | 4.0 | 706 |  | 0.8
2018 | 5.0 | 6,184 |  | 1.8
2019 | 3.0 | 16,254 |  | 0.8
2020 | 1.0 | 3,500 |  | 0.2
2020 | 2.0 | 694 |  | 0.8
2020 | 3.0 | 20,842 |  | 1.8
2021 | 0.4 | 250 |  | 0.2
2021 | 1.0 | 4,114 |  | 0.8
2021 | 3.0 | 27,422 |  | 2.8
|  | 85,740 |  | 1.8

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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