BUSINESS DESCRIPTION (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended		39 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Apr. 08, 2024	Dec. 31, 2023	Apr. 14, 2023	Apr. 13, 2020
Business Acquisition [Line Items]
Net loss	$ 3,300,000		$ 3,300,000		$ 3,300,000
Net cash used in operating activities			(167,000)	$ (2,777,000)
Accumulated deficit	(101,449,000)		(101,449,000)		(101,449,000)		$ (98,150,000)
Working capital	1,200,000		1,200,000		1,200,000
Aggregate authorized offering price						$ 1,061,478,000
Proceeds from issuance of common stock			78,000	$ 2,245,000
Amount available for future sale of shares pursuant to the sales agreement	1,000,000.0		1,000,000.0		1,000,000.0
AGP 2023 Sales Agreement
Business Acquisition [Line Items]
Aggregate authorized offering price						1,061,478		$ 5,800,000
Proceeds from issuance of common stock	$ 11,000		$ 100,000
Shares issued (in shares)	1,655	25	11,822	25
Amount available for future sale of shares pursuant to the sales agreement	$ 3,700,000		$ 3,700,000		3,700,000	$ 1,000,000.0
At The Market Offering Agreement | AGP
Business Acquisition [Line Items]
Aggregate authorized offering price									$ 50,000,000.0
Proceeds from issuance of common stock		$ 100,000		$ 500,000	$ 15,600,000
Shares issued (in shares)		3,636		30,827	260,128
Payments of stock issuance costs					$ 500,000
Maximum | AGP 2023 Sales Agreement
Business Acquisition [Line Items]
Aggregate authorized offering price								$ 5,800,000
Proceeds from issuance of common stock		$ 1,000		$ 1,000