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BUSINESS DESCRIPTION (Narrative) (Details) - USD ($)		12 Months Ended
	Apr. 02, 2021	Dec. 31, 2021	Dec. 31, 2020	Apr. 30, 2020	Apr. 13, 2020
Business Acquisition [Line Items]
Net loss		$ 8,500,000
Working deficiency		9,300,000
Net cash used in operating activities		(6,577,000)	$ (7,434,000)
Proceeds from issuance of common stock		$ 16,207,000	$ 8,929,000
Common stock, par value		$ 0.01	$ 0.01
Sales Agreement with Alliance Global Partners
Business Acquisition [Line Items]
Proceeds from issuance of common stock	$ 15,400,000
Maximum aggregate initial offering price					$ 50,000,000.0
Common stock, par value	$ 0.01
Sale of common stock	4,501,000
Additional shares available for future sales	$ 6,600,000
Sales Agreement with Alliance Global Partners | Maximum [Member]
Business Acquisition [Line Items]
Proceeds from issuance of common stock	$ 22,000,000.0
Joint Venture [Member]
Business Acquisition [Line Items]
Percentage of interest in joint venture				49.00%
Joint Venture [Member] | Popular Healthcare PLLC [Member]
Business Acquisition [Line Items]
Percentage of interest in joint venture				51.00%
Joint Venture [Member] | Poplar Put Right [Member] | Scenario, Plan [Member]
Business Acquisition [Line Items]
Percentage of interest in joint venture				100.00%
Price per share				$ 1.00
Purchase price				$ 51

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