Consolidated Condensed Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ 243	$ (290)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	541	582
Stock-based compensation	96	19
Loss on disposition of property	13	8
Change in deferred gain	(28)	(28)
Change in allowance for doubtful accounts	(2)	1
Equity in (income) loss of partnerships	24	(209)
Provision for deferred income taxes		20
Changes in operating assets and liabilities:
Accounts receivable	1,014	636
Inventories	(39)	(216)
Other assets	(590)	(264)
Accounts payable	(577)	1,094
Accrued expenses	311	(111)
Other liabilities	(2)	(81)
Net cash provided by operating activities	1,004	1,161
Cash flows from investing activities:
Purchases of property, plant and equipment	(398)	(188)
Net cash used in investing activities	(398)	(188)
Cash flows from financing activities:
Proceeds from long-term borrowings	3,734	2,418
Repayments of long-term borrowings	(4,471)	(2,951)
Proceeds from employee stock purchases and exercise of stock options	65	20
Change in restricted cash	(18)	1
Change in checks written in excess of cash	172	(335)
Net cash used in financing activities	(518)	(847)
Effect of exchange rate changes on cash	1	(8)
Net increase in cash	89	118
Cash, beginning of period	119	281
Cash, end of period	$ 208	$ 399