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Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Mar. 31, 2021
Net operating loss carryforwards $ 171,274 $ 184,455
Research and development and other tax credit carryforwards 13,464 13,280
Accruals and reserves 5,366 5,416
Fixed assets and intangible assets 565 1,414
Other 1,432 1,149
Gross deferred tax assets 192,101 205,714
Valuation allowance (186,618) (200,081)
Total deferred tax assets 5,483 5,633
Intercompany Debt 0 (4,205)
Amortization (2,721) 0
Other (1,835) (479)
Total deferred tax liabilities (4,556) (4,684)
Net deferred tax assets $ 927 $ 949