Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (8,239,000)	$ (8,994,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	666,000	477,000
Stock based compensation expense	184,000	2,449,000
Amortization of debt discount, net	1,897,000	2,723,000
Reserve for excess and slow-moving inventories	654,000	336,000
Gain on extinguishment of debt		(652,000)
Net change in operating assets and liabilities:
Accounts receivable	(1,323,000)	(1,190,000)
Inventories	582,000	(742,000)
Prepaid expenses and other assets	757,000	(260,000)
Accounts payable	(210,000)	145,000
Interest payable – related party	(1,132,000)	(413,000)
Accrued payroll and related expenses	145,000	111,000
Deferred revenue – short-term	122,000	334,000
Other current liabilities	446,000	(271,000)
Long-term deferred revenue and other noncurrent liabilities	(650,000)	(347,000)
Net cash used in operating activities	(6,101,000)	(6,294,000)
Cash flows from investing activities:
Capital expenditures	(308,000)	(64,000)
Net cash used in investing activities	(308,000)	(64,000)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of expenses	3,037,000	6,832,000
Net cash provided by financing activities	3,037,000	6,832,000
Effects of foreign currency rate changes on cash and cash equivalents	(5,000)	(1,000)
Net increase (decrease) in cash, cash equivalents and restricted cash	(3,377,000)	473,000
Cash, cash equivalents and restricted cash at beginning of period	7,280,000	7,161,000
Cash, cash equivalents and restricted cash at end of period	3,903,000	7,634,000
Supplemental disclosures of cash flow information:
Cash paid for related party interest	2,628,000	2,082,000
Cash paid for interest	180,000	180,000
Right-to-use asset acquired under operating lease	3,863,000
Related party promissory note converted to common stock	3,000,000
Related party convertible note price reset	$ 3,763,000
Transfer of inventory to fixed assets		$ 181,000