Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net loss	$ (18,919,000)	$ (11,812,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,147,000	926,000
Stock-based compensation expense	39,000	267,000
Amortization of debt discount/premium, net	8,305,000	3,487,000
Reserve for excess and slow-moving inventories	1,357,000	667,000
Reserve for bad debt expense		2,000
Loss on retirement of debt	326,000
Impairment charges	2,036,000
Loss on disposal of equipment		(11,000)
Net change in operating assets and liabilities:
Accounts receivable	915,000	(1,134,000)
Inventories	1,574,000	2,073,000
Prepaid expenses and other assets	682,000	(139,000)
Accounts payable	130,000	(386,000)
Interest payable - related party	120,000	(738,000)
Accrued payroll and related expenses	(23,000)	51,000
Deferred revenue – short term	(92,000)	63,000
Other current liabilities	181,000	330,000
Long-term deferred revenue and other noncurrent liabilities	(1,499,000)	(951,000)
Net cash used in operating activities	(3,721,000)	(7,283,000)
Cash flows from investing activities:
Capital expenditures	(1,733,000)	(400,000)
Net cash used in investing activities	(1,733,000)	(400,000)
Cash flows from financing activities:
Proceeds from sale of common stock and warrants, net	2,857,000	4,583,000
Proceeds from exercise of warrants and pre-funded warrants	421,000	3,000
Net cash provided by financing activities	3,278,000	4,586,000
Effects of foreign currency rate changes on cash and cash equivalents	(1,000)	(6,000)
Net increase (decrease) in cash and cash equivalents	(2,177,000)	(3,103,000)
Cash and cash equivalents at beginning of period	4,177,000	7,280,000
Cash and cash equivalents at end of period	2,000,000	4,177,000
Supplemental disclosures of cash flow information:
Cash paid for interest	140,000	180,000
Cash paid for related party interest	1,492,000	2,628,000
Convertible note price reset	99,000
Nonrelated Party [Member]
Supplemental disclosures of cash flow information:
Convertible note price reset	99,000	112,000
Promissory note converted to common stock	603,000
Related Party Convertible Debt Price Reset [Member]
Supplemental disclosures of cash flow information:
Convertible note price reset	7,291,000
Conversion of Related Party Convertible Promissory Note Into Common Stock [Member]
Supplemental disclosures of cash flow information:
Promissory note converted to common stock	700,000	$ 3,000,000
January 2023 Convertible Note [Member]
Supplemental disclosures of cash flow information:
Fair value of amended convertible note issued in connection with the extinguishment of original convertible note	1,239,000
July 2023 Convertible Note [Member]
Supplemental disclosures of cash flow information:
Fair value of amended convertible note issued in connection with the extinguishment of original convertible note	$ 484,000