Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Tax Assets and Liabilities (Details)

v3.20.1
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Deferred tax assets:    
Inventories $ 1,536 $ 1,842
Warranty reserve 454 630
Bad debt reserve 139 1,245
Deferred revenue 1,684 1,584
Net operating loss (NOL) carryforwards 146,503 145,835
Tax credit carryforwards 15,227 16,021
Depreciation, amortization and impairment loss 1,652 2,734
Lease liability 1,263  
Interest limitation 1,570  
Other 998 1,726
Deferred tax assets 171,026 171,617
Valuation allowance for deferred tax assets (169,825) (171,617)
Deferred tax assets, net of valuation allowance 1,201 0
Deferred tax liabilities:    
Right of use assets (1,201) 0
Net deferred tax assets $ 0 $ 0