STOCKHOLDERS' EQUITY (Common Stock, 2018 Purchase Agreement and LP Purchase Agreement) (Details) - USD ($)	1 Months Ended	3 Months Ended		4 Months Ended
	May 12, 2023	Mar. 31, 2023	Mar. 31, 2022	May 12, 2023	Dec. 31, 2022	Dec. 20, 2018	Dec. 19, 2018
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		150,000,000			150,000,000	250,000,000	150,000,000
Issuance of common stock in connection with at the market offering, net of issuance costs		$ 438,000
Shares issued (in shares)		23,364,086			22,820,260
Common stock, shares outstanding (in shares)		23,364,086			22,820,260
Issuance of common stock, net of issuance costs		$ 438,000
Common Stock [Member]
Class of Stock [Line Items]
Proceeds upon issuance of common stock from exercise of warrants (in shares)			266
Issuance of common stock in connection with at the market offering, net of issuance costs		$ 5,000
Shares issued (in shares)		543,826
Common Stock [Member]
Class of Stock [Line Items]
Proceeds upon issuance of common stock from exercise of warrants (in shares)		0	266
Warrant exercises in period		0	266
Preferred Class B
Class of Stock [Line Items]
Conversion price (in dollars per share)		$ 0.40
Subsequent Events [Member]
Class of Stock [Line Items]
Shares issued (in shares)	72,712			5,202,561
Maximum [Member] | Common Stock [Member]
Class of Stock [Line Items]
Proceeds from exercise of warrants			$ 1,000