XML 47 R37.htm IDEA: XBRL DOCUMENT v3.19.1
Note 5 - Share-Based Compensation - Compensation Cost (Details) - Selling, General and Administrative Expenses [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Allocated share based compensation $ 294 $ 237
Common Stock [Member]    
Allocated share based compensation 100 100
Employee and Nonemployee Stock Option [Member]    
Allocated share based compensation 7 15
Restricted Stock Units (RSUs) [Member]    
Allocated share based compensation $ 187 $ 122