XML 38 R28.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 2 - Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Cash paid for:    
Interest $ 37 $ 51
Income taxes, net of refunds 3,167 2,178
Non-cash investing and financing activities:    
Capital additions accrued but not yet paid $ 527 $ 311