XML 54 R40.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note 9 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ (1,100) $ 4,800  
Undistributed Earnings of Foreign Subsidiaries 10,700    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total 56 27 $ 0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 2,400 2,100 1,100
Foreign Tax Authority [Member] | Swiss Federal Tax Administration (FTA) and National Tax Agency, Japan [Member]      
Operating Loss Carryforwards, Total 0 100  
Foreign Tax Authority [Member] | Internal Revenue Service (IRS) [Member]      
Operating Loss Carryforwards, Total 500 0  
Tax Credit Carryforward, Amount 4,400 4,000  
Domestic Tax Authority [Member] | Canada Revenue Agency [Member]      
Operating Loss Carryforwards, Total $ 0 $ 0 $ 0