CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,534)	$ (1,626)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	1	1
Amortization of debt issuance costs and discounts	111	250
Amortization of beneficial conversion feature	0	37
Stock based compensation	132	178
Change in fair value of warrants	0	(448)
Extinguishment of derivative liability	0	(84)
Change in fair value of derivative liability	(13)	89
Amortization of lease right-of-use-asset	50	66
Expense for warrants issued to consultants	865	585
Gain from extinguishment of debt	(345)	(578)
Other non-cash expenses	156	109
Change in operating assets and liabilities:
Accounts receivable	16	0
Inventory	(25)	14
Other current assets	332	(88)
Other non-current assets	0	(17)
Accounts payable and accrued liabilities	(7)	(435)
Lease liabilities	(51)	(41)
Deferred revenue	172	237
NET CASH USED IN OPERATING ACTIVITIES	(1,140)	(1,751)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(28)	(10)
NET CASH USED FOR INVESTING ACTIVITIES	(28)	(10)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from warrant exercises	495	0
Proceeds from debt financing	0	1,248
Payments made on notes payable	(465)	(1,415)
Payments of debt issuance costs	0	(86)
Note payable default penalty	0	398
Proceeds from issuances of common stock, net of costs	1,396	0
Proceeds from issuances of warrants, net of costs	1,796	0
Proceeds from Series F offering, net of costs	0	1,436
Proceeds from Series F-2 offering, net of costs	0	539
Proceeds from Series G offering, net of costs	0	125
Redemption of Series G preferred stock	0	(125)
NET CASH PROVIDED BY FINANCING ACTIVITIES	3,222	2,120
NET CHANGE IN CASH	2,054	359
Cash at beginning of period	643	182
CASH AT END OF PERIOD	2,697	541
SUPPLEMENTAL DISCLOSURE FOR OPERATING ACTIVITIES:
Cash paid for interest	89	552
SUPPLEMENTAL DISCLOSURE FOR NON-CASH INVESTING AND FINANCING ACTIVITIES:
Dividends on preferred stock	581	296
Settlement of interest through common stock issuance	151	0
Debt from related parties exchanged for Preferred series F-2 shares	0	323
Issuance of series F-2 preferred stock	0	2,236
Issuance of warrants to finders in connection with Series F and Series F-2 preferred stock	0	377
Settlement of dividends through common stock issuance	722	157
Settlement of accounts payable through common stock issuance	0	62
Warrants exchanged for fixed price warrants	0	1,755
Warrants issued with debt	0	304
Conversion of Series D Preferred Shares into common stock	118	0
Conversion of Series E Preferred Shares into common stock	800	0
Conversion of Series F Preferred Shares into common stock	296	0
Conversion of Series F-2 Preferred Shares into common stock	2,473	0
Directors and officers insurance obtained with financing	$ 124	$ 0