Annual report pursuant to Section 13 and 15(d)

Note 9 - Income Taxes (Details Textual)

v3.19.1
Note 9 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability   $ 3,400
Income Tax Expense (Benefit), Total $ 0 $ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 34.00%
Operating Loss Carryforwards, Increase $ 5,000  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 1,900  
Domestic Tax Authority [Member]    
Operating Loss Carryforwards, Total $ 24,700