Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash paid during the year for:
Income taxes, net of refunds	$ 395	$ 60
Interest	0	1
Non-cash financing activity:
Stock Issued	666	0
Convertible Preferred Stock
Non-cash financing activity:
Conversion of preferred stock	$ 0	$ 111