CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net loss	$ (931)	$ (3,301)
Loss from discontinued operations	7
Loss from continuing operations	(924)	(3,301)
Adjustment to reconcile net loss from continuing operations to net cash provided by operating activities:
Depreciation and amortization	2,046	2,296
Stock compensation expense	3	12
Gain on debt extinguishment	(60)
Change in warrant liabilities	(1,897)
Changes in operating assets and liabilities:
Receivables	(569)	656
Inventories	21	348
Prepaids and other assets	241	(161)
Accounts payable and accrued liabilities	834	793
Deferred pension liability and other	270	178
Net cash (used in) provided by operating activities	(35)	821
Cash flows from investing activities
Equipment manufactured for rental	(369)	(457)
Purchases of property, plant and equipment	(62)	(23)
Net cash used in investing activities	(431)	(480)
Cash flows from financing activities
Payments of long-term debt	(719)	(761)
Proceeds from long-term debt	100	650
Net cash used in financing activities	(619)	(111)
Cash flows from discontinued operations
Cash provided by sale of asset of discontinued operations	689
Net (decrease) increase in cash and cash equivalents	(396)	230
Cash and cash equivalents at beginning of year	1,109	398
Cash and cash equivalents at end of period	713	628
Supplemental disclosure of cash flow information:
Interest paid	114	139
Income taxes paid