CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Net loss	$ (1,117,000)	$ (681,000)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	444,000	$ 606,000
Gain on sale/leaseback transaction	$ (22,000)
Loss on disposal of assets		$ 2,000
Loss (gain) on foreign currency remeasurement	$ 134,000	(232,000)
Amortization of warrants - stock compensation expense	6,000	17,000
Bad debts expense	119,000	18,000
Changes in operating assets and liabilities:
Receivables	182,000	63,000
Inventories	(368,000)	(373,000)
Prepaids and other assets	(106,000)	$ (227,000)
Accounts payable	(173,000)
Accrued liabilities	580,000	$ 611,000
Deferred pension liability and other	(254,000)	(193,000)
Net cash used in operating activities	(575,000)	$ (389,000)
Cash flows from investing activities
Proceeds from sale/leaseback transaction	1,100,000
Equipment manufactured for rental	(8,000)	$ (61,000)
Purchases of property, plant and equipment	(125,000)	(3,000)
Net cash provided by (used in) investing activities	967,000	(64,000)
Cash flows from financing activities
Payments of long-term debt	(333,000)	(10,000)
Net cash used in financing activities	(333,000)	(10,000)
Effect of exchange rate changes	10,000	(14,000)
Net increase (decrease) in cash and cash equivalents	69,000	(477,000)
Cash and cash equivalents at beginning of year	547,000	650,000
Cash and cash equivalents at end of period	616,000	173,000
Supplemental disclosure of cash flow information:
Interest paid	$ 2,000	$ 6,000
Income taxes paid