Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock-based Compensation (Details Textual)

v3.10.0.1
Note 6 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Allocated Share-based Compensation Expense, Total $ 44,000 $ 64,000 $ 261,000 $ 320,000
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense 0 $ 0 0 $ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total $ 101,000   $ 101,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 73 days