STOCK TRANSACTIONS (Details) - USD ($) $ in Thousands				3 Months Ended	9 Months Ended
	May 10, 2023	May 08, 2023	Jul. 02, 2021	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Jul. 25, 2023	Jul. 24, 2023	Jun. 28, 2023	Jun. 27, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Common Stock, Shares Authorized				185,000,000	185,000,000		185,000,000	144,000,000			144,000,000
Exercise of warrants (in shares)	237,012			0
Exercise of warrants					$ 712	$ 2
Exercise of warrants		$ 700			712	2
Warrants issued to purchase common stock	845,000
Stock issuance proceeds					$ 23,954	$ 4,161
2006 Employee Stock Incentive Plan
Class of Stock [Line Items]
Number of shares authorized for issuance under share-based payment arrangement									12,475,171	8,475,171
2024 Notes
Class of Stock [Line Items]
Converted instrument, shares issued				0	4,691,623
Paid to the converting holders					$ 900
Decrease in principal amount					$ 8,300
ATM Equity Offering Sales Agreement
Class of Stock [Line Items]
Number of shares issued (in shares)			3,296,123	0	12,560,150
Stock issuance proceeds			$ 13,800		$ 24,900
Private Placement
Class of Stock [Line Items]
Exercise of warrants (in shares)		301,810