Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities
Net income (loss)	$ (6,006)	$ 2,044	$ 14,972
Adjustments to reconcile net income to net cash provided by operating activities:
Impairment charge	2,384	3,417
Depreciation and amortization	3,018	2,915	2,919
Amortization of unearned stock compensation	856	886	868
Provision for doubtful accounts	285	97	50
Provision for inventory obsolescence	93	397	1,002
Deferred income taxes	6	(485)	(923)
Other non-cash items	(116)	(59)	(93)
Changes in operating assets and liabilities:
Accounts receivable	4,019	15,352	(1,144)
Inventories	10,483	12,784	6,147
Book overdraft	(517)	588	(1,481)
Trade accounts payable	896	(1,613)	(5,644)
Accrued and other current liabilities	2,587	(3,557)	(5,794)
Income taxes	(1,016)	(713)	184
Other operating activities	271	(224)	206
Net cash provided by operating activities	17,243	31,829	11,269
Investing activities
Expenditures for property and equipment	(1,319)	(3,123)	(2,177)
Proceeds from disposals of property and equipment	5	8	25
Cash paid for acquisition	(32,370)
Net cash used in investing activities	(33,684)	(3,115)	(2,152)
Financing activities
Borrowings on revolver	302,898	310,366	405,884
Payments on revolver	(281,698)	(325,025)	(399,989)
Proceeds from exercise of stock options		11	181
Payment of dividends	(2,495)	(7,172)	(8,293)
Excess tax benefit for options			7
Purchase of treasury stock	(2,264)	(6,894)	(6,907)
Net cash provided by (used in) financing activities	16,441	(28,714)	(9,117)
Net change in cash
Cash at beginning of year
Cash at end of year
Supplemental disclosures
Cash paid during the year for interest	728	900	1,160
Cash paid during the year for income taxes	$ 233	$ 4,278	$ 10,029