CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
OPERATING ACTIVITIES:
Net income	$ 5,431	$ 8,660
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	2,253	2,107
Loss on disposal of property, plant and equipment	7	2
Provision for doubtful accounts	50	55
Issuance of non-employee director shares	194	150
Deferred tax provision	(30)	41
Changes in operating assets and liabilities:
Accounts receivable	(342)	(34,646)
Inventories	(4,724)	(2,107)
Prepaid expenses	(2,925)	(2,537)
Other assets	227	491
Accounts payable	1,486	9,574
Accrued liabilities	(3,479)	356
Net cash flows from operating activities	(1,852)	(17,854)
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(3,526)	(3,155)
Proceeds from sale of property, plant and equipment	10
Net cash flows from investing activities	(3,516)	(3,155)
FINANCING ACTIVITIES:
Net proceeds under credit facility	25,000	15,000
Payments of cash dividends	(2,053)	(2,052)
Net payments on other long-term obligations	(92)	(95)
Finance lease obligation payments	(5)	(5)
Net cash flows from financing activities	22,850	12,848
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND TEMPORARY INVESTMENTS	(460)	103
NET CHANGE IN CASH AND TEMPORARY INVESTMENTS	17,022	(8,058)
CASH AND TEMPORARY INVESTMENTS, beginning of period	26,072	27,037
CASH AND TEMPORARY INVESTMENTS, end of period	43,094	18,979
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash payments for interest	594	787
Cash payments for income taxes, net of refunds	$ 739	$ 952