CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 4,638	$ 5,224
Depreciation and amortization	1,850	1,771
Deferred income taxes	(26)	(224)
Other, net	291	216
Change in assets and liabilities:
Accounts receivable, net	(3,634)	(4,348)
Inventories, net	851	632
Accounts payable and accrued liabilities	(1,639)	(2,762)
Accounts with affiliates	164	174
Prepaids and other, net	(626)	(95)
Net cash provided by operating activities	1,869	588
Cash flows from investing activities -
Capital expenditures	(1,674)	(1,913)
Cash flows from financing activities -
Dividends paid	(1,242)	(1,240)
Cash and cash equivalents - net change from:
Operating, investing and financing activities	(1,047)	(2,565)
Balance at beginning of period	52,347	45,570
Balance at end of period	51,300	43,005
Supplemental disclosures - cash paid for:
Income taxes	$ 2,367	$ 2,848