Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating activities
Net income	$ 2,044	$ 14,972	$ 7,902
Adjustments to reconcile net income to net cash provided by operating activities:
Impairment charge	3,417		7,562
Depreciation and amortization	2,915	$ 2,919	2,978
Amortization of unearned stock compensation	886	868	900
Provision for inventory obsolescence	397	1,002	559
Deferred income taxes	(485)	(923)	(1,485)
Other non-cash items	38	(43)	(15)
Changes in operating assets and liabilities:
Accounts receivable	15,352	(1,144)	5,516
Inventories	12,784	6,147	(12,004)
Book overdraft	588	(1,481)	4,594
Trade accounts payable	(1,613)	(5,644)	1,307
Accrued and other current liabilities	(3,557)	(5,794)	3,312
Income taxes	(713)	184	(435)
Other operating activities	(224)	206	54
Net cash provided by operating activities	31,829	11,269	20,745
Investing activities
Expenditures for property and equipment	(3,123)	(2,177)	(3,396)
Proceeds from disposals of property and equipment	8	25	2
Net cash used in investing activities	(3,115)	(2,152)	(3,394)
Financing activities
Borrowings on revolver	310,366	405,884	396,724
Payments on revolver	(325,025)	(399,989)	(407,360)
Proceeds from exercise of stock options	11	181	492
Payment of dividends	$ (7,172)	(8,293)	(7,466)
Excess tax benefit for options		7	49
Purchase of treasury stock	$ (6,894)	(6,907)	(64)
Net cash used in financing activities	$ (28,714)	$ (9,117)	(17,625)
Net change in cash			(274)
Cash at beginning of year			$ 274
Cash at end of year
Supplemental disclosures
Cash paid during the year for interest	$ 900	$ 1,160	$ 998
Cash paid during the year for income taxes	$ 4,278	$ 10,029	$ 10,236