Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Supplemental cash payment information:
Interest paid		$ 20	$ 594
Income taxes paid, net of refunds		149	627
Supplemental schedule of non-cash investing and financing activities:
Equity issued - acquisition of JP3	$ 8,538	$ 8,538	$ 0