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STOCK-BASED COMPENSATION (Details 3) - $ / shares | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Restricted Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unvested at beginning of period | 66,229 | 90,000
Unvested at beginning of period (in Dollars per share) | $ 28.11 | $ 3.23
Transfers to restricted stock units | (45,871) |
Restricted stock Transfers to restricted stock units(in Dollars per share) | $ 34.02 |
Granted |  | 92,444
Restricted stock granted (in Dollars per share) |  | $ 14.72
Vested | (19,429) | (18,582)
Restricted stock vested (in Dollars per share) | $ 14.79 | $ 14.72
Forfeiture and cancelled | (671) |
Restricted stock Forfeiture and cancelled (in Dollars per share) | $ 14.72 |
Forfeiture and cancelled | 671 |
Unvested at end of period | 258 | 163,862
Unvested at end of period (in Dollars per share) | $ 14.72 | $ 8.41
Vested | 19,429 | 18,582
Restricted Stock Units (RSUs) [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unvested at beginning of period |  |
Unvested at beginning of period (in Dollars per share) |  |
Transfers to restricted stock units | 45,871 |
Restricted stock Transfers to restricted stock units(in Dollars per share) | $ 34.02 |
Granted | 546,525 |
Restricted stock granted (in Dollars per share) | $ 52.27 |
Vested | (1,334) |
Restricted stock vested (in Dollars per share) | $ 69.63 |
Forfeiture and cancelled | (14,900) |
Restricted stock Forfeiture and cancelled (in Dollars per share) | $ 50.67 |
Forfeiture and cancelled | 14,900 |
Unvested at end of period | 576,162 |
Unvested at end of period (in Dollars per share) | $ 50.82 |
Vested | 1,334 |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average intrinsic value of award granted under share-based payment arrangement. Excludes share and unit options. + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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