Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities
Net loss	$ (1,869,000)	$ (1,365,000)
Income (loss) from discontinued operations	631,000	(147,000)
Loss from continuing operations	(2,500,000)	(1,218,000)
Adjustment to reconcile net loss from continuing operations to net cash (used in) provided by operating activities:
Depreciation and amortization	3,538,000	4,104,000
Loss on receivable financing	348,000
Loss on disposal of assets	11,000	5,000
Stock compensation expense		3,000
Gain on debt extinguishment	(10,000)	(60,000)
Change in warrant liabilities	(1,134,000)	(4,041,000)
Changes in operating assets and liabilities:
Receivables	(463,000)	149,000
Inventories	(55,000)	407,000
Prepaids and other assets	(911,000)	555,000
Accounts payable and accrued liabilities	286,000	(111,000)
Deferred pension liability and other	(313,000)	441,000
Net cash (used in) provided by operating activities	(1,203,000)	234,000
Cash flows from investing activities
Equipment manufactured for rental	(94,000)	(484,000)
Purchases of property and equipment	(199,000)	(72,000)
Net cash used in investing activities	(293,000)	(556,000)
Cash flows from financing activities
Payments of long-term debt	(1,060,000)	(66,000)
Proceeds from long-term debt	1,000,000	500,000
Proceeds from receivable financing	887,000
Payments for reverse/forward stock split	(66,000)
Proceeds from exercise of warrants	27,000
Net cash provided by financing activities	788,000	434,000
Cash flows from discontinued operations
Cash provided by operating activities of discontinued operations	(1,171,000)	(103,000)
Cash provided by investing activities of discontinued operations	2,493,000	696,000
Cash used in financing activities of discontinued operations	(1,723,000)	(650,000)
Net cash used in discontinued operations	(401,000)	(57,000)
Net (decrease) increase in cash and cash equivalents	(1,109,000)	55,000
Cash and cash equivalents at beginning of year	1,164,000	1,109,000
Cash and cash equivalents at end of year	55,000	1,164,000
Supplemental disclosure of cash flow information:
Interest paid	73,000	219,000
Income taxes paid
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]
Supplemental non-cash financing activities:
Exchange of 8¼% Notes for Common Stock	$ 13,000