CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows provided by (used in) operating activities:
Net income	$ 55	$ 684
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Accrued interest added to principal of related party debt	20	48
Fair value adjustment of contingent consideration	290	(857)
Stock-based compensation expense	132	57
Depreciation and amortization	155	164
Changes in operating assets and liabilities:
Accounts receivable	103	(84)
Inventory	(1)	94
Other assets	(65)	(71)
Accounts payable and accrued liabilities	195	(297)
Net cash provided by (used in) operating activities	884	(262)
Cash flows used in investing activities:
Cash distributions from equity method investments	0	20
Purchase of property and equipment	0	(75)
Net cash used in investing activities	0	(55)
Cash flows used in financing activities:
Proceeds from debt payable to related party	0	404
Repayment of debt payable to related party	(415)	(428)
Payment of contingent consideration	(400)	(400)
Proceeds from exercise of options to purchase common shares	1	4
Net cash used in financing activities	(814)	(420)
Net increase (decrease) in cash and cash equivalents	70	(737)
Cash and cash equivalents at beginning of period	2,530	2,777
Cash and cash equivalents at end of period	2,600	2,040
Supplemental cash flow information:
Cash paid for taxes	16	19
Cash paid for interest	$ 2	$ 94