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Note 13 - Income Tax - Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Provision for income taxes at federal statutory rates $ (1,927) $ (29)
Permanent differences, net, amount 375 (362)
Non-deductible executive compensation 346 412
Global Intangible Low-Taxed Income (GILTI) 552 0
Foreign tax rate differential (103) (217)
State income taxes, net of federal income tax benefit, amount (295) (16)
Non-deductible stock compensation expense, amount 69 280
Tax credits 492 455
Net operating loss true-ups and expirations 431 195
Change in reserve for uncertain tax position 688 (118)
Impact of change to prior year tax accruals (232) 269
Change in valuation allowance allocated to income tax (102) (961)
Other 43 240
Total income tax expense (benefit) $ 337 $ 148