Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock-based Compensation (Details Textual)

v3.7.0.1
Note 5 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Allocated Share-based Compensation Expense $ 109,000 $ (79,000) $ 256,000 $ 261,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 221,000   $ 221,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 73 days  
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 0 $ 0 $ 0 $ 0