XML 50 R39.htm IDEA: XBRL DOCUMENT v3.7.0.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Supplemental disclosure:    
Interest paid $ 0 $ 0
Income taxes paid 361 518
Non-cash investing and financing activities:    
Non-cash capital expenditures $ 1,098 $ 555