Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Schedule of Income Tax Rate Reconciliation Amount (Details)

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INCOME TAXES - Schedule of Income Tax Rate Reconciliation Amount (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Income Tax Disclosure [Abstract]      
Expiration of attributes $ 9,862 $ 11,679 $ 12,268
Valuation allowance 5,444 (2,639) 10,913
Permanent items 1,295 914 359
Equity compensation 345 280 905
Tax reform 0 0 (207)
Credit monetization 0 0 0
Foreign taxes (129) 1,612 (2,133)
State income taxes (969) (20) (997)
Research and development credits (1,829) (1,566) (879)
Uncertain tax positions (6,695) (8,654) (9,278)
Expense at the federal statutory rate (7,396) (925) (8,488)
Other 311 122 (87)
Income tax provision $ 239 $ 803 $ 2,376