CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net (loss) income	$ (875,000)	$ 530,000	$ (1,733,000)	$ 1,023,000
Adjustment to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization			182,000	219,000
Amortization of right of use assets			211,000	195,000
Gain on forgiveness of PPP loan				(824,000)
Amortization of deferred financing fees and debt discount				53,000
Loss on foreign currency remeasurement	51,000	(76,000)	59,000	(60,000)
Issuance of common stock for compensation			26,000
Amortization of stock options			38,000	38,000
Allowance for credit losses			(25,000)	14,000
Changes in operating assets and liabilities:
Accounts receivable			1,197,000	(1,321,000)
Inventories			515,000	(1,509,000)
Prepaids and other assets			110,000	84,000
Accounts payable			269,000	(88,000)
Accrued liabilities			91,000	176,000
Operating lease liabilities			(220,000)	(188,000)
Customer deposits			(174,000)	1,187,000
Deferred pension liability and other			52,000	(105,000)
Net cash provided by (used in) operating activities			598,000	(1,106,000)
Cash flows from investing activities
Purchases of property, plant and equipment			(248,000)	(12,000)
Net cash used in investing activities			(248,000)	(12,000)
Cash flows from financing activities
Proceeds from long-term debt			200,000	703,000
Payments of long-term debt			(200,000)
Net cash provided by financing activities				703,000
Effect of exchange rate changes				(1,000)
Net increase (decrease) in cash, cash equivalents and restricted cash			350,000	(416,000)
Cash, cash equivalents and restricted cash at beginning of year			48,000	524,000
Cash, cash equivalents and restricted cash at end of period	398,000	108,000	398,000	108,000
Supplemental disclosure of cash flow information:
Interest paid			23,000
Income taxes paid			10,000	10,000
Current assets
Cash and cash equivalents	198,000	108,000	198,000	108,000
Long-term assets
Restricted cash	200,000		200,000
Cash, cash equivalents and restricted cash at end of period	$ 398,000	$ 108,000	$ 398,000	$ 108,000