CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities
Net loss	$ (895,000)	$ (1,090,000)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,334,000	1,874,000
Amortization of gain on sale/leaseback transaction	(88,000)
Loss on disposal of assets		2,000
Gain on extinguishment of debt	(462,000)
Loss (gain) on foreign currency remeasurement	95,000	(352,000)
Amortization of warrants - stock compensation expense	21,000	53,000
Bad debt expense (recovery)	294,000	(166,000)
Changes in operating assets and liabilities:
Receivables	(434,000)	(1,245,000)
Inventories	(547,000)	(345,000)
Prepaids and other assets	(580,000)	(425,000)
Accounts payable	564,000	733,000
Accrued liabilities	(100,000)	6,000
Deferred pension liability and other	(977,000)	(167,000)
Net cash used in operating activities	(1,775,000)	(1,122,000)
Cash flows from investing activities
Proceeds from sale/leaseback transaction	1,100,000
Equipment manufactured for rental	(32,000)	(61,000)
Purchases of property, plant and equipment	(279,000)	(190,000)
Deposits for property, plant and equipment	(1,066,000)
Restricted cash	(397,000)
Net cash used in investing activities	(674,000)	(251,000)
Cash flows from financing activities
Proceeds from revolving loan	1,477,000
Proceeds from long-term debt	700,000	500,000
Proceeds from long-term debt - related parties	500,000	500,000
Payments of long-term debt	(404,000)	(43,000)
Payments of dividends on preferred stock	(78,000)
Payments for deferred financing fees	(65,000)
Payments for fees on extinguishment of debt	(27,000)
Payments of rights offering costs		(131,000)
Net cash provided by financing activities	2,103,000	826,000
Effect of exchange rate changes	2,000	(14,000)
Net decrease in cash and cash equivalents	(344,000)	(561,000)
Cash and cash equivalents at beginning of year	547,000	650,000
Cash and cash equivalents at end of period	203,000	89,000
Supplemental disclosure of cash flow information:
Interest paid	109,000	67,000
Income taxes paid