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Note 9 - Income Taxes - Tax Effects of Temporary Differences That Give Rise to Significant Portions of the Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred revenue $ 5,739 $ 6,301
Foreign tax credits and general business credits 11,203 9,004
Net operating losses 1,452 1,341
Accruals, including foreign exchange and other 792 1,490
Sub-total Deferred tax assets 19,186 18,136
Valuation allowance (11,232) (9,365)
Total deferred tax assets 7,954 8,771
Prepaid registry fees and expenses (16,909) (16,237)
Amortization (7,083) (6,925)
Limited life intangible assets (4,327) (5,958)
Indefinite life intangible assets (2,847) (3,110)
Foreign branch deferred tax liability (1,256) (2,012)
Total deferred tax liability (32,422) (34,242)
Net deferred tax liability $ (24,468) $ (25,471)