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SHARE-BASED COMPENSATION - Restricted Stock Units (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019
Number of Restricted Shares |  |  |  |
Outstanding at beginning of year (in shares) | 0 | 35,567 | 77,800 | 0
Granted (in shares) | 727,476 |  |  | 616,700
Vested (in shares) | (727,476) | (32,234) | (38,900) | (538,900)
Forfeited (in shares) |  | (3,333) | (3,333) |
Outstanding at end of year (in shares) | 0 | 0 | 35,567 | 77,800
Weighted- average grant date fair value |  |  |  |
Outstanding at beginning of year (in dollars per share) | $ 0 | $ 9.26 | $ 9.26 |
Granted (in dollars per share) | 1.62 |  |  | $ 9.26
Vested (in dollars per share) | 1.62 | 9.26 | 9.26 | 9.26
Forfeited (in dollars per share) |  |  | 9.26 |
Outstanding at end of year (in dollars per share) | $ 0 | $ 0 | $ 9.26 | $ 9.26
Forfeiture percentage | 10.50% | 13.04% | 13.04% |
Fair value of stock option and RSU on the grant date | $ 4,700,000 |  |  |
Share-based compensation expense | 391,625 | $ 55,468 | $ 347,466 |
Unrecognized compensation cost | $ 0 |  |  |
Restricted Stock Units |  |  |  |
SHARE-BASED COMPENSATION |  |  |  |
Number of common stocks represented by each RSU | 3 |  |  | 1
Vesting period |  |  |  | 3 years
Percentage of vesting and exercisable upon the date of grant |  |  |  | 33.33%
Percentage of vesting and exercisable upon the second and third anniversary of the grant date |  |  |  | 66.67%
Number of Restricted Shares |  |  |  |
Granted (in shares) | 242,492 |  |  | 616,700
Vested (in shares) | (242,492) | (32,234) | (38,900) |

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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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