COMMON STOCK - Common Stock Issued, Net of Issuance Costs (Details) - USD ($)			3 Months Ended		20 Months Ended	72 Months Ended
	Dec. 04, 2020	Apr. 14, 2017	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2023
Net proceeds from common stock			$ 1,481,000	$ 15,556,000
Aggregate offering price			$ 1,481,000	$ 15,556,000
2020 Lincoln Park PA
Maximum aggregate offering price	$ 100,000,000.0
Registered share available for future sales	16,000,000.0
Period for financing from common stock	36 months
Number of common stock issued			0	0
Threshold average sale price per share of common stock	$ 6.15
2020 Lincoln Park PA | Maximum
Percentage of common stock issuable	19.99%
2020 Lincoln Park PA | Lincoln Park
Number of common stock issued					6,300,000
Minimum percentage considered for not to sale common stock	9.99%
ATM Offering Agreement
Number of common stock issued			1,500,000
Net proceeds from common stock			$ 1,500,000			$ 50,000,000.0
ATM Offering Agreement | Maximum
Aggregate offering price			$ 19,250,000
ATM Offering Agreement | Cantor Fitzgerald & Co
Number of common stock issued			1,500,000	7,400,000
Net proceeds from common stock			$ 1,500,000	$ 15,600,000
ATM Offering Agreement | Cantor Fitzgerald & Co | Maximum
Sales commission percentage		2.50%
Controlled Equity Offering Sales Agreement with Cantor Fitzgerald and Co.
Net proceeds from common stock			$ 30,700,000