XML 79 R63.htm IDEA: XBRL DOCUMENT v3.22.4
Note 8 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2020
Dec. 31, 2021
Deferred Tax Assets, Valuation Allowance $ 59,398   $ 67,525
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount (8,100)    
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities   $ 2,500  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   $ 2,000  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total     $ 0
Domestic Tax Authority [Member]      
Operating Loss Carryforwards $ 906,200    
Open Tax Year 2011 2012 2013 2020