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, 2023
Mar. 31, 2022
Deferred tax assets    
Loss carryforwards $ 56,675 $ 59,636
Deferred revenue 28,389 29,485
Capitalized research and development 23,949 16,289
Tax credits 15,894 16,085
Disallowed interest 13,162 12,296
Other accruals and reserves not currently deductible for tax purposes 4,494 4,450
Lease obligations 2,384 2,514
Inventory 2,715 1,701
Accrued warranty expense 495 447
Acquired intangibles 961 853
Gross deferred tax assets 149,118 143,756
Valuation allowance (143,704) (138,365)
Total deferred tax assets, net of valuation allowance 5,414 5,391
Deferred tax liabilities    
Depreciation (2,009) (1,921)
Lease assets (2,128) (2,439)
Other (548) (1,048)
Total deferred tax liabilities (4,685) (5,408)
Net deferred tax assets (liabilities) $ 729  
Net deferred tax assets (liabilities)   $ (17)