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, 2020
Mar. 31, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]      
Expense (benefit) at the federal statutory rate $ (925) $ (8,488) $ (14,634)
Equity compensation 280 905 1,024
Permanent items 914 359 564
Foreign taxes 1,612 (2,133) 1,336
State income taxes (20) (997) (830)
Valuation allowance (2,639) 10,913 (42,784)
Uncertain tax positions (8,654) (9,278) (336)
Tax reform 0 (207) 52,682
Credit monetization 0 0 (323)
Expiration of attributes 11,679 12,268 410
Research and development credits (1,566) (879) (1,714)
Other 122 (87) 1,492
Income tax provision (benefit) $ 803 $ 2,376 $ (3,113)