CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net loss	$ (1,796,000)	$ (2,396,000)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	254,000	278,000
Amortization of right of use assets	145,000	145,000
Amortization of deferred financing fees and debt discount	63,000	42,000
Loss on disposal of assets		5,000
Gain on extinguishment of debt	(77,000)
Loss (gain) on foreign currency remeasurement	72,000	(113,000)
Issuance of warrants		94,000
Bad debt expense	45,000	46,000
Changes in operating assets and liabilities:
Accounts receivable, net	(487,000)	581,000
Inventories	402,000	29,000
Prepaids and other assets	92,000	(141,000)
Accounts payable	1,749,000	174,000
Accrued liabilities	131,000	(96,000)
Operating lease liabilities	(147,000)	(145,000)
Customer deposits	(464,000)	292,000
Deferred pension liability and other	(88,000)	(269,000)
Net cash used in operating activities	(106,000)	(1,474,000)
Cash flows from investing activities
Equipment manufactured for rental		(16,000)
Purchases of property, plant and equipment		(178,000)
Net cash used in investing activities		(194,000)
Cash flows from financing activities
Proceeds from long-term debt	125,000	1,184,000
Payments of long-term debt	(20,000)
Net cash provided by financing activities	105,000	1,184,000
Effect of exchange rate changes	1,000	(3,000)
Net decrease in cash, cash equivalents and restricted cash	0	(487,000)
Cash, cash equivalents and restricted cash at beginning of year	43,000	1,385,000
Cash, cash equivalents and restricted cash at end of period	43,000	898,000
Supplemental disclosure of cash flow information:
Interest paid	162,000	151,000
Income taxes paid	9,000	15,000
Current assets
Cash and cash equivalents	43,000	248,000
Long-term assets
Restricted cash		650,000
Cash, cash equivalents and restricted cash at end of period	$ 43,000	$ 898,000