Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities
Net (loss) income	$ (4,439,000)	$ 2,601,000
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation	471,000	370,000
Amortization of right-of-use financing leases	93,000	269,000
Amortization of right-of-use operating leases	551,000	514,000
Change in allowance for credit losses	(46,000)	80,000
Stock-based compensation	334,000	1,246,000
Other		(15,000)
Changes in current operating assets and liabilities:
Accounts receivable	(966,000)	1,642,000
Inventories	(8,520,000)	(1,095,000)
Prepaid expenses and other assets	5,048,000	(2,990,000)
Income taxes	(5,000)	(4,000)
Accounts payable, accrued liabilities and other liabilities	(1,550,000)	2,407,000
Deferred revenue	5,477,000	(4,733,000)
Operating lease liabilities	(566,000)	(520,000)
Net cash used in operating activities	(4,118,000)	(228,000)
Investing activities
Purchases of property and equipment	(1,277,000)	(2,345,000)
Net cash used in investing activities	(1,277,000)	(2,345,000)
Financing activities
Net proceeds from the exercise of options for common stock		50,000
Net proceeds from issuance of common stock	4,986,000	177,000
Payment of deferred financing costs		(73,000)
Principal repayments of financing leases	(93,000)	(296,000)
Net cash provided by/ (used in) financing activities	4,893,000	(142,000)
Decrease in cash	(502,000)	(2,715,000)
Cash, beginning of period	3,582	10,296
Cash, end of period	3,080	7,581
Supplemental cash flow information:
Interest paid	26,000
Non-cash investing and financing activities:
Acquisition of right-of-use assets and lease liabilities	3,337,000
Deferred financing costs included in accounts payable and accrued liabilities		122,000
Surrender and retirement of common stock	$ 224,000	$ 720,000