Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income	$ 3,200	$ 3,506
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	946	811
Amortization	614	575
Stock compensation expense	307	237
Changes in operating assets and liabilities:
Accounts receivable, net	(8,508)	(11,840)
Inventories, net	(2,603)	2,347
Prepaid expenses and other assets	(235)	(107)
Accounts payable	1,868	141
Other accrued liabilities	(836)	(329)
Total adjustments	(8,447)	(8,165)
Net cash used in operating activities	(5,247)	(4,659)
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,819)	(1,600)
Acquisition of business		(7,233)
Net cash used in investing activities	(1,819)	(8,833)
Cash flows from financing activities:
Net borrowings of long-term debt	868	14,010
Cash settlement of stock options	(242)	(732)
Repayment on mortgage payable	(133)
Proceeds from issuance of common stock		628
Distributions to stockholders	(743)	(666)
Net cash (used in) provided by financing activities	(250)	13,240
Effect of exchange rate changes on cash and cash equivalents	(128)	15
Net decrease in cash and cash equivalents	(7,444)	(237)
Cash and cash equivalents at beginning of period	9,338	5,911
Cash and cash equivalents at end of period	1,894	5,674
Supplemental cash flow information:
Cash paid for income taxes	327	175
Cash paid for interest	$ 831	$ 550