Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (4,836,000)	$ (7,203,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	410,000	320,000
Stock based compensation expense	114,000	2,357,000
Amortization of Debt Discount (Premium)	955,000	1,815,000
Reserve for excess and slow-moving inventories	555,000	98,000
Gain on extinguishment of debt		(652,000)
Net change in operating assets and liabilities:
Accounts receivable	(1,576,000)	140,000
Inventories	37,000	(1,042,000)
Prepaid expenses and other assets	689,000	524,000
Accounts payable	1,000	(236,000)
Interest payable – related party	(1,522,000)	(976,000)
Accrued payroll and related expenses	28,000	(4,000)
Deferred revenue – short-term	310,000	294,000
Other current liabilities	119,000	(434,000)
Long-term deferred revenue and other noncurrent liabilities	(385,000)	(245,000)
Net cash used in operating activities	(5,101,000)	(5,244,000)
Cash flows from investing activities:
Capital expenditures	(219,000)	(80,000)
Net cash used in investing activities	(219,000)	(80,000)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of expenses	2,044,000	6,832,000
Net cash provided by financing activities	2,044,000	6,832,000
Effects of foreign currency rate changes on cash and cash equivalents	(3,000)	(1,000)
Net increase (decrease) in cash, cash equivalents and restricted cash	(3,279,000)	1,507,000
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	4,001,000	8,668,000
Supplemental disclosures of cash flow information:
Cash paid for related party interest	2,628,000	2,082,000
Cash paid for interest	120,000	$ 120,000
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	$ 2,688,000