CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities
Net (loss) income	$ (523,000)	$ 60,000
Adjustment to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation and amortization	160,000	248,000
Amortization of right of use assets	90,000
Amortization of gain on sale/leaseback transaction		(11,000)
Amortization of deferred financing fees and debt discount	63,000	34,000
Gain on extinguishment of debt	(52,000)
Loss (gain) on foreign currency remeasurement	57,000	(72,000)
Bad debt expense	(51,000)	(32,000)
Changes in operating assets and liabilities:
Accounts receivable, net	(106,000)	(114,000)
Inventories	139,000	290,000
Prepaids and other assets	(102,000)	558,000
Accounts payable	(531,000)	(246,000)
Accrued liabilities	441,000	244,000
Operating lease liabilities	(88,000)
Customer deposits	(186,000)	(527,000)
Deferred pension liability and other	(114,000)	(28,000)
Net cash (used in) provided by operating activities	(803,000)	404,000
Cash flows from investing activities
Purchases of property, plant and equipment	(2,000)	(133,000)
Net cash used in investing activities	(2,000)	(133,000)
Cash flows from financing activities
Proceeds from warrant exercise	2,000,000
Payments of long-term debt	(1,489,000)	(705,000)
Payments for fees on extinguishment of debt	3,000
Net cash provided by (used in) financing activities	514,000	(705,000)
Effect of exchange rate changes	(1,000)
Net decrease in cash, cash equivalents and restricted cash	(292,000)	(434,000)
Cash, cash equivalents and restricted cash at beginning of year	1,623,000	1,909,000
Cash, cash equivalents and restricted cash at end of period	1,331,000	1,475,000
Supplemental disclosure of cash flow information:
Interest paid	130,000	151,000
Income taxes paid	22,000	26,000
Supplemental non-cash financing activities:
Preferred Stock Series B converted to Common Stock	3,172,000
Current assets
Cash and cash equivalents	431,000	525,000
Long-term assets
Restricted cash	900,000	950,000
Cash, cash equivalents and restricted cash at end of period	$ 1,331,000	$ 1,475,000