Consolidated Condensed Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ 377	$ (1,073)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,629	1,722
Stock-based compensation	308	150
Loss on disposition of property	26	8
Change in deferred gain	(73)	(83)
Change in allowance for doubtful accounts	(2)	2
Equity in (income) loss of partnerships	77	(317)
Gain on sale of investment in partnership	(822)
Provision for deferred income taxes		(75)
Changes in operating assets and liabilities:
Accounts receivable	240	332
Inventories	(66)	(1,374)
Other assets	(264)	(611)
Accounts payable	(1,497)	1,442
Accrued expenses	904	579
Other liabilities	198	(176)
Net cash provided by operating activities	1,035	526
Cash flows from investing activities:
Proceeds from sale of Global Coils	526
Purchases of property, plant and equipment	(1,448)	(1,535)
Net cash used in investing activities	(922)	(1,535)
Cash flows from financing activities:
Proceeds from long-term borrowings	12,200	11,899
Repayments of long-term borrowings	(12,578)	(11,088)
Proceeds from employee stock purchases and exercise of stock options	133	163
Change in restricted cash	9	(42)
Change in checks written in excess of cash	241	(19)
Net cash provided by financing activities	5	913
Effect of exchange rate changes on cash	7	8
Net increase (decrease) in cash	125	(88)
Cash, beginning of period	119	281
Cash, end of period	$ 244	$ 193