XML 70 R54.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note 5 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accrued employee benefit plan costs $ 7,275 $ 8,815
Stock based compensation 649 407
Net operating loss and tax credit carryforwards 215,797 148,699
Restructuring fees not currently deductible for tax purposes 566 1,415
Disallowed business interest expense carryforward 10,386 5,546
Other 3,152 2,518
Gross deferred tax assets 237,825 167,400
Less valuation allowance (204,899) (140,428)
Net deferred tax assets 32,926 26,972
Depreciation and amortization (31,745) (25,883)
Outside basis difference deferred tax liability (2,891) (2,891)
Foreign interest withholding tax (990) (859)
Other 572 (754)
Gross deferred tax liabilities (35,054) (30,387)
Net deferred tax assets (liabilities) $ (2,128) $ (3,415)