LIQUIDITY AND GOING CONCERN (Details) $ in Thousands, € in Millions, shares in Millions		12 Months Ended		17 Months Ended
	Aug. 20, 2021 USD ($)	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2022 EUR (€) shares	Dec. 04, 2020 shares
Cash balance		$ 75,200		$ 75,200	€ 5.0
Issuance of common stock, net | $		$ 25,901	$ 84,142
2020 Lincoln Park PA
Number of common stock issued			6.1
Issuance of common stock, net | $			$ 34,600
Registered share available for future sales						16.0
ATM Offering Agreement
Number of common stock issued		13.0
Issuance of common stock, net | $	$ 50,000	$ 25,900
Lincoln Park | 2020 Lincoln Park PA
Number of common stock issued				6.3
Amount available for future sales | $		$ 20,800		$ 20,800
Registered share available for future sales		9.7		9.7	9.7