CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net loss	$ (611,000)	$ (1,749,000)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,774,000	2,444,000
Amortization of gain on sale/leaseback transaction	(121,000)
Amortization of deferred financing fees	72,000
Loss on disposal of assets		2,000
Gain on extinguishment of debt	(462,000)	(314,000)
Loss (gain) on foreign currency remeasurement	45,000	(478,000)
Amortization of warrants - stock compensation expense	21,000	60,000
Bad debt expense	305,000	437,000
Changes in operating assets and liabilities:
Receivables	(528,000)	(544,000)
Inventories	(17,000)	(65,000)
Prepaids and other assets	(125,000)	141,000
Accounts payable	284,000	(589,000)
Accrued liabilities	(337,000)	(1,421,000)
Deferred pension liability and other	(1,072,000)	(485,000)
Net cash used in operating activities	(772,000)	(2,561,000)
Cash flows from investing activities
Proceeds from sale/leaseback transaction	1,100,000
Equipment manufactured for rental	(44,000)	(61,000)
Purchases of property, plant and equipment	(2,037,000)	(175,000)
Restricted cash	(397,000)
Net cash used in investing activities	(1,378,000)	(236,000)
Cash flows from financing activities
Proceeds from long-term debt	2,955,000	500,000
Proceeds from long-term debt - related parties	500,000	500,000
Proceeds from issuance of preferred stock, net of costs		3,024,000
Payments of long-term debt	(682,000)	(790,000)
Payments of long-term debt - related parties		(500,000)
Payments of dividends on preferred stock	(177,000)
Payments for deferred financing fees	(368,000)	(31,000)
Payments for fees on extinguishment of debt	(27,000)
Net cash provided by financing activities	2,201,000	2,703,000
Effect of exchange rate changes	8,000	(9,000)
Net increase (decrease) in cash and cash equivalents	59,000	(103,000)
Cash and cash equivalents at beginning of year	547,000	650,000
Cash and cash equivalents at end of period	606,000	547,000
Supplemental disclosure of cash flow information:
Interest paid	232,000	102,000
Income taxes paid	$ 23,000	29,000
Warrants issued to BFI		21,000
Exchange of Debt for Common Stock		$ 152,000