CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income (loss)	$ 323,000	$ (4,968,000)
Adjustment to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	439,000	495,000
Amortization of right of use assets	397,000	303,000
Gain on forgiveness of PPP loan	(824,000)
Amortization of deferred financing fees and debt discount	52,000	127,000
Gain on extinguishment of debt		(77,000)
(Gain) loss on foreign currency remeasurement	(191,000)	18,000
Amortization of stock options	114,000
Bad debt expense	(113,000)	64,000
Changes in operating assets and liabilities:
Accounts receivable	(570,000)	(832,000)
Inventories	(1,851,000)	671,000
Prepaids and other assets	479,000	(1,210,000)
Accounts payable	1,091,000	3,608,000
Accrued liabilities	(7,000)	660,000
Operating lease liabilities	(397,000)	(298,000)
Customer deposits	(768,000)	1,427,000
Deferred pension liability and other	(142,000)	(125,000)
Net cash used in operating activities	(1,968,000)	(137,000)
Cash flows from investing activities
Purchases of property, plant and equipment	(18,000)
Net cash used in investing activities	(18,000)
Cash flows from financing activities
Proceeds from long-term debt	1,057,000	1,078,000
Proceeds from forgiveness of PPP loan	453,000
Payments of long-term debt		(460,000)
Net cash provided by financing activities	1,510,000	618,000
Effect of exchange rate changes
Net (decrease) increase in cash and cash equivalents	(476,000)	481,000
Cash and cash equivalents at beginning of year	524,000	43,000
Cash and cash equivalents at end of period	48,000	524,000
Supplemental disclosure of cash flow information:
Interest paid		219,000
Income taxes paid	$ 10,000	$ 9,000