Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock-Based Compensation (Details Textual)

v3.8.0.1
Note 5 - Stock-Based Compensation (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Allocated Share-based Compensation Expense $ 64,000 $ 50,000 $ 320,000 $ 311,000
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 $ 181,000   $ 181,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year