Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 764	$ 659
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation	475	396
Amortization	306	278
Stock compensation expense	168	115
Changes in operating assets and liabilities:
Accounts receivable, net	1,501	(574)
Inventories, net	(1,774)	502
Prepaid expenses and other assets	(623)	(566)
Accounts payable	(3,645)	(1,591)
Other accrued liabilities	(1,747)	(2,271)
Total adjustments	(5,339)	(3,711)
Net cash used in operating activities	(4,575)	(3,052)
Cash flows from investing activities:
Purchase of property, plant and equipment	(897)	(504)
Acquisition of business		(7,233)
Net cash used in investing activities	(897)	(7,737)
Cash flows from financing activities:
Net (repayments) borrowings of long-term debt	(2,350)	11,436
Cash settlement of stock options	(45)	(231)
Repayments on mortgage	(67)
Proceeds from issuance of common stock		186
Distributions to shareholders	(371)	(332)
Net cash (used in) provided by financing activities	(2,833)	11,059
Effect of exchange rate changes on cash and cash equivalents	32	(6)
Net (decrease) increase in cash and cash equivalents	(8,273)	264
Cash and cash equivalents at beginning of period	9,338	5,911
Cash and cash equivalents at end of period	1,065	6,175
Supplemental cash flow information:
Cash paid for income taxes	297	59
Cash paid for interest	$ 404	$ 236