Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net loss	$ (3,301)	$ (4,025)
Adjustment to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,296	2,696
Amortization of restricted Common Stock	12
Non-cash restructuring charges		895
Write-off of engineering software, net		456
Changes in operating assets and liabilities:
Receivables	656	(870)
Inventories	348	(140)
Prepaids and other assets	(161)	247
Accounts payable and accrued liabilities	793	1,766
Deferred pension liability and other	178	255
Net cash provided by operating activities	821	1,280
Cash flows from investing activities
Equipment manufactured for rental	(457)	(820)
Purchases of property, plant and equipment	(23)	(35)
Net cash used in investing activities	(480)	(855)
Cash flows from financing activities
Payments of long-term debt	(761)	(1,042)
Proceeds from long-term debt	650	750
Net cash used in financing activities	(111)	(292)
Cash flows from discontinued operations
Cash provided by operating activities of discontinued operations		33
Net cash provided by discontinued operations		33
Net increase in cash and cash equivalents	230	166
Cash and cash equivalents at beginning of year	398	541
Cash and cash equivalents at end of period	628	707
Supplemental disclosure of cash flow information:
Interest paid	$ 139	$ 243