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Note 9 - Income Taxes - Reconciliation of Taxes on Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Tax provision computed at the federal statutory rate, amount | $ 2,549 | $ (1,534)
Tax provision computed at the federal statutory rate, percent | 21.00% | 21.00%
Different tax rates applicable to foreign operations, amount | $ 311 | $ 2,978
Different tax rates applicable to foreign operations, percent | 3.00% | (41.00%)
(Reversal of) increase in liability for uncertain tax positions - net | $ (1,432) | $ 320
Increase in (reversal of) liability for uncertain tax positions - net, percent | (12.00%) | (4.00%)
Impact of U.S. Tax Reform, amount | $ (1,129) | $ 0
Impact of U.S. Tax Reform, percent | (9.00%) | 0.00%
Research and experimentation and foreign tax credits | $ (245) | $ (907)
Research and experimentation and foreign tax credits | (2.00%) | 12.00%
State taxes, net of federal benefit, amount | $ 4 | $ (54)
State taxes, net of federal benefit, percent | 0.00% | 1.00%
SERP/COLI and restricted stock income | $ (234) | $ (547)
SERP/COLI and restricted stock income, percent | (2.00%) | 7.00%
Impairment of goodwill | $ 0 | $ 1,522
Impairment of goodwill, percent | 0.00% | (21.00%)
Other, net | $ (483) | $ (337)
Other, net, percent | (4.00%) | 5.00%
Income Tax Expense (Benefit), Total | $ (659) | $ 1,441
Tax (benefit) provision computed at the Company's effective tax rate | (5.00%) | (20.00%)

X
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