Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Schedule of Components of Deferred Tax Assets and Liabilities (Details)

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INCOME TAXES - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Mar. 31, 2021
Deferred tax assets    
Loss carryforwards $ 59,636 $ 76,153
Deferred revenue 29,485 21,839
Tax credits 16,085 16,574
Disallowed interest 12,296 12,132
Other accruals and reserves not currently deductible for tax purposes 4,450 8,192
Capitalized research and development 16,289 7,811
Lease obligations 2,514 1,747
Inventory 1,701 1,374
Accrued warranty expense 447 569
Acquired intangibles 853 454
Gross deferred tax assets 143,756 146,845
Valuation allowance (138,365) (143,263)
Total deferred tax assets, net of valuation allowance 5,391 3,582
Deferred tax liabilities    
Depreciation (1,921) (1,440)
Lease assets (2,439) (1,670)
Other (1,048) (1,013)
Total deferred tax liabilities (5,408) (4,123)
Net deferred tax assets (liabilities) $ (17) $ (541)