Annual report pursuant to Section 13 and 15(d)

Note 16 - Income Taxes (Details Textual)

v3.20.4
Note 16 - Income Taxes (Details Textual)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 4.0
Unrecognized Tax Benefits, Ending Balance 0.2
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]  
Operating Loss Carryforwards, Total 118.2
Tax Credit Carryforward, Amount 0.2
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]  
Operating Loss Carryforwards, Total 4.3
Tax Credit Carryforward, Amount $ 0.5