Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 4,007	$ 4,707
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	1,480	1,253
Amortization	923	874
Stock compensation expense	641	552
Changes in operating assets and liabilities:
Accounts receivable	(4,903)	(10,866)
Inventories	(1,357)	1,382
Prepaid expenses and other assets	(1)	(147)
Accounts payable	(4,404)	1,079
Other accrued liabilities	(882)	(30)
Total adjustments	(8,503)	(5,903)
Net cash used in operating activities	(4,496)	(1,196)
Cash flows from investing activities:
Purchase of property, plant and equipment	(2,252)	(2,401)
Acquisition of business		(7,233)
Net cash used in investing activities	(2,252)	(9,634)
Cash flows from financing activities:
Net borrowings of long-term debt	3,578	13,033
Cash settlement of stock options	(754)	(760)
Proceeds from issuance of common stock		649
Distributions to stockholders	(1,114)	(1,037)
Repayment on mortgage payable	(200)
Net cash provided by financing activities	1,510	11,885
Effect of exchange rate changes on cash and cash equivalents	(79)	55
Net decrease in cash and cash equivalents	(5,317)	1,110
Cash and cash equivalents at beginning of period	9,338	5,911
Cash and cash equivalents at end of period	4,021	7,021
Supplemental cash flow information:
Cash paid for income taxes	502	728
Cash paid for interest	$ 1,316	$ 908