XML 90 R75.htm IDEA: XBRL DOCUMENT v3.19.1
Note P - Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Expense (Benefit), Total $ 0 $ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 34.00%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total $ 0 $ 0
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]    
Operating Loss Carryforwards, Total $ 60,000  
Open Tax Year 2015 2016 2017 2018  
State and Local Jurisdiction [Member]    
Open Tax Year 2015 2016 2017 2018