CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net loss	$ (304)	$ (1,670)
(Income) loss from discontinued operations	(1,022)	82
Loss from continuing operations	(1,326)	(1,588)
Adjustment to reconcile net loss from continuing operations to net cash provided by (used in) operating activities:
Depreciation and amortization	902	996
Stock compensation expense		4
Gain on debt extinguishment		(4)
Change in warrant liabilities	68	(108)
Changes in operating assets and liabilities:
Receivables	106	(351)
Inventories	(288)	1
Prepaids and other assets	(239)	(81)
Accounts payable and accrued liabilities	95	1,305
Deferred pension liability and other	142	141
Net cash (used in) provided by operating activities	(540)	315
Cash flows from investing activities
Equipment manufactured for rental		(239)
Purchases of property, plant and equipment	(93)	(48)
Net cash used in investing activities	(93)	(287)
Cash flows from financing activities
Payments of long-term debt	(314)	(414)
Net cash used in financing activities	(314)	(414)
Cash flows from discontinued operations
Cash used in operating activities of discontinued operations	(53)	(55)
Cash provided by investing activities of discontinued operations	1,766	17
Cash (used in) provided by financing activities of discontinued operations	(1,723)	5
Net cash used in discontinued operations	(10)	(33)
Net decrease in cash and cash equivalents	(957)	(419)
Cash and cash equivalents at beginning of year	1,164	1,109
Cash and cash equivalents at end of period	207	690
Supplemental disclosure of cash flow information:
Interest paid	38	51
Income taxes paid