Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income	$ 4,537	$ 4,007
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	1,640	1,480
Amortization of intangible assets	937	923
Non-cash lease expense	16
Stock compensation expense	745	641
Changes in operating assets and liabilities:
Accounts receivable	(5,540)	(4,903)
Inventories	2,253	(1,357)
Prepaid expenses and other current assets	450	(1)
Accounts payable	(1,174)	(4,404)
Other accrued liabilities	3,404	(882)
Total adjustments	2,731	(8,503)
Net cash provided by (used in) operating activities	7,268	(4,496)
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,123)	(2,252)
Net cash used in investing activities	(1,123)	(2,252)
Cash flows from financing activities:
Net (repayments) borrowings of long-term debt	(2,158)	3,578
Cash settlement of stock options	(1,254)	(754)
Repayments on mortgage	(200)	(200)
Distributions to shareholders	(1,213)	(1,114)
Net cash (used in) provided by financing activities	(4,825)	1,510
Effect of exchange rate changes on cash and cash equivalents	(31)	(79)
Net change in cash and cash equivalents	1,289	(5,317)
Cash and cash equivalents at beginning of period	4,409	9,338
Cash and cash equivalents at end of period	5,698	4,021
Supplemental cash flow information:
Cash paid for income taxes	279	502
Cash paid for interest	$ 1,476	$ 1,316