CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (2,127,000)	$ (1,733,000)
Adjustment to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	160,000	182,000
Amortization of right of use assets	183,000	211,000
(Gain) loss on foreign currency remeasurement	(76,000)	59,000
Issuance of common stock for compensation		26,000
Amortization of stock options		38,000
Allowance for credit losses	21,000	(25,000)
Changes in operating assets and liabilities:
Accounts receivable	(439,000)	1,197,000
Inventories	561,000	515,000
Prepaids and other assets	(99,000)	110,000
Accounts payable	829,000	269,000
Accrued liabilities	566,000	91,000
Operating lease liabilities	(171,000)	(220,000)
Customer deposits	566,000	(174,000)
Deferred pension liability and other	19,000	52,000
Net cash (used in) provided by operating activities	(7,000)	598,000
Cash flows from investing activities
Purchases of property, plant and equipment	(5,000)	(248,000)
Net cash used in investing activities	(5,000)	(248,000)
Cash flows from financing activities
Proceeds from long-term debt		200,000
Payments of long-term debt	(3,000)	(200,000)
Net cash used in financing activities	(3,000)
Effect of exchange rate changes	(1,000)
Net (decrease) increase in cash, cash equivalents and restricted cash	(16,000)	350,000
Cash, cash equivalents and restricted cash at beginning of year	385,000	48,000
Cash, cash equivalents and restricted cash at end of period	369,000	398,000
Supplemental disclosure of cash flow information:
Interest paid	5,000	23,000
Income taxes paid	6,000	10,000
Current assets
Cash and cash equivalents	169,000	198,000
Long-term assets
Restricted cash	200,000	200,000
Cash, cash equivalents and restricted cash at end of period	$ 369,000	$ 398,000