XML 40 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 4 - Share-based Compensation - Allocation of Share-based Compensation (Details) - Selling, General and Administrative Expenses [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based compensation $ 206 $ 229 $ 842 $ 871
Director [Member] | Common Stock Issued Under the Equity Incentive Plan [Member]        
Share-based compensation 105 105
Director [Member] | Employee Stock Option [Member]        
Share-based compensation 105 105
Chief Executive Officer [Member] | Common Stock Issued Under the Equity Incentive Plan [Member]        
Share-based compensation 100 100 300 300
Employees [Member] | Employee Stock Option [Member]        
Share-based compensation 4 34 25 107
Employees [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based compensation $ 102 $ 95 $ 307 $ 254