CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows (used in) provided by operating activities:
Net income	$ 1,289	$ 255
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Accrued interest added to principal of related party debt	4	11
Fair value adjustment of contingent consideration	0	111
Stock-based compensation expense	61	70
Depreciation and amortization	84	77
Changes in operating assets and liabilities:
Accounts receivable	(1,373)	244
Inventory	(57)	211
Other assets	(27)	62
Accounts payable and accrued liabilities	(255)	523
Net cash (used in) provided by operating activities	(274)	1,564
Cash flows used in investing activities:
Purchase of property and equipment	(57)	0
Net cash used in investing activities	(57)	0
Cash flows used in financing activities:
Repayment of debt payable to third party	(58)	0
Repayment of debt payable to related party	(124)	(250)
Proceeds from exercise of options to purchase common shares	0	1
Net cash used in financing activities	(182)	(249)
Net (decrease) increase in cash and cash equivalents	(513)	1,315
Effect of exchange rate changes on cash and cash equivalents	0	1
Cash and cash equivalents at beginning of period	2,109	2,530
Cash and cash equivalents at end of period	1,596	3,846
Supplemental cash flow information:
Cash paid for taxes	1	3
Cash paid for interest	$ 50	$ 1