Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ (6,162)	$ 709	$ (1,425)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,450	2,150	2,258
Stock-based compensation	532	414	214
Loss on impairment of long-lived assets and goodwil of discontinued operations	1,700
Loss on disposition of property	4	36	8
Change in deferred gain	(110)	(110)	(110)
Change in allowance for doubtful accounts	(30)	(69)	4
Equity in (income) loss of partnerships	262	116	(174)
Gain on sale of investment in partnership		(822)
Deferred income taxes		(7)	(169)
Changes in operating assets and liabilities:
Accounts receivable	1,327	1,555	(354)
Inventories	1,221	789	(3,391)
Other assets	500	(972)	(303)
Accounts payable	1,066	(2,252)	3,155
Accrued expenses	(26)	240	376
Other liabilities	(60)	229	(92)
Net cash provided by (used in) operating activities	2,674	2,006	(3)
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment	39
Proceeds from sale of investment in partnership		626
Purchases of property, plant and equipment	(969)	(1,735)	(2,582)
Net cash used in investing activities	(930)	(1,109)	(2,582)
Cash flows from financing activities:
Proceeds from long-term borrowings	15,332	17,269	16,685
Repayments of long-term borrowings	(16,863)	(18,211)	(14,145)
Proceeds from employee stock purchases and exercise of stock options	145	159	230
Payments of partership payable		(240)	(260)
Change in restricted cash	(18)	(17)	(77)
Change in checks written in excess of cash	(359)	241	(13)
Net cash (used in) provided by financing activities	(1,763)	(799)	2,420
Effect of exchange rate changes on cash	11	8	3
Net (decrease) increase in cash	(8)	106	(162)
Cash, beginning of period	225	119	281
Cash, end of period	$ 217	$ 225	$ 119