Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ 709	$ (1,425)	$ 361
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Gain on sale of discontinued operations			(35)
Depreciation and amortization	2,150	2,258	2,601
Stock-based compensation	414	214	474
Loss (gains) on disposition of property	36	8	28
Deferred taxes	(7)	(169)	40
Change in deferred gain	(110)	(110)	(110)
Allowance for doubtful accounts	(69)	4	(7)
Equity in (income) loss of partnerships	116	(174)	135
Gain on sale of investment in partnership	(822)
Changes in operating assets and liabilities:
Accounts receivable	1,555	(354)	(1,192)
Inventories	789	(3,391)	(164)
Other assets	(972)	(303)	159
Accounts payable	(2,252)	3,155	(468)
Accrued expenses	240	376	(223)
Other liabilities	230	(92)	17
Net cash provided (used) by operating activities	2,007	(3)	1,616
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,735)	(2,582)	(1,811)
Proceeds from sale of discontinued operations, net			775
Proceeds from sale of investment in partnership	626
Other			(7)
Net cash used in investing activities	(1,109)	(2,582)	(1,043)
Cash flows from financing activities:
Proceeds from employee stock purchases and exercise of stock options	159	230	261
Proceeds from long-term borrowings	17,269	16,685	12,194
Repayments of long-term debt	(18,211)	(14,145)	(13,074)
Payments of partnership payable	(240)	(260)	(260)
Change in restricted cash	(17)	(77)	(96)
Change in checks written in excess of cash	241	(13)	307
Net cash (used) provided by financing activities	(799)	2,420	(668)
Effect of exchange rate changes on cash	8	3	(9)
Net increase in cash	107	(162)	(104)
Cash, beginning of period	119	281	385
Cash, end of period	$ 226	$ 119	$ 281