CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
Sales - devices and disposables	$ 3	$ 19	$ 13	$ 21
Cost of goods sold	0	42	2	42
Gross profit (loss)	3	(23)	11	(21)
Operating expenses:
Research and development	8	16	38	52
Sales and marketing	52	41	129	107
General and administrative	1,167	407	2,229	1,747
Total operating expenses	1,227	464	2,396	1,906
Loss from operations	(1,224)	(487)	(2,385)	(1,927)
Other income (expenses):
Interest expense	(155)	(594)	(512)	(1,050)
Change in fair value of derivative liability	5	(1)	13	(89)
Gain from extinguishment of debt	270	763	345	578
Change in fair value of warrants	0	0	0	448
Other income	2	387	5	414
Total other income (expense)	122	555	(149)	301
Loss before income taxes	(1,102)	68	(2,534)	(1,626)
Provision for income taxes	0	0	0	0
Net income (loss)	1,102	68	(2,534)	(1,626)
Preferred stock dividends	(48)	(119)	(581)	(296)
NET LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (1,054)	$ (51)	$ (3,115)	$ (1,922)
NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS
Basic	$ (0.03)	$ (0.00)	$ (0.11)	$ (0.14)
Diluted	$ (0.03)	$ (0.00)	$ (0.11)	$ (0.14)
Weighted average shares outstanding
Basic	34,829	13,417	27,335	13,291
Diluted	34,829	13,417	27,335	13,291