CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities
Net loss	$ (1,670)	$ (1,670)
Loss from discontinued operations	7
Loss from continuing operations	(1,663)	(1,670)
Adjustment to reconcile net loss from continuing operations to netcash provided by operating activities:
Depreciation and amortization	1,031	1,147
Stock compensation expense	4	6
Gain on debt extinguishment	(4)
Change in warrant liabilities	(108)
Changes in operating assets and liabilities:
Receivables	(351)	586
Inventories	1	564
Prepaids and other assets	(86)	(85)
Accounts payable and accrued liabilities	1,335	(14)
Deferred pension liability and other	138	114
Net cash provided by operating activities	297	648
Cash flows from investing activities
Equipment manufactured for rental	(239)	(218)
Purchases of property, plant and equipment	(48)	(17)
Net cash used in investing activities	(287)	(235)
Cash flows from financing activities
Payments of long-term debt	(429)	(377)
Net cash used in financing activities	(429)	(377)
Cash flows from discontinued operations
Cash provided by operating activities of discontinued operations		1
Net (decrease) increase in cash and cash equivalents	(419)	37
Cash and cash equivalents at beginning of year	1,109	398
Cash and cash equivalents at end of period	690	435
Supplemental disclosure of cash flow information:
Interest paid	51	125
Income taxes paid	$ 0	$ 0