EQUITY OFFERINGS AND RELATED EXPENSES (Details) - USD ($)			3 Months Ended		12 Months Ended										147 Months Ended
	Aug. 11, 2023	Aug. 29, 2022	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2024
Subsidiary, Sale of Stock [Line Items]
Aggregate offering price				$ 8,290,569
Common stock, par value			$ 0.001		$ 0.001										$ 0.001
Number of Shares					4,458,873	149,174	31,592	354,257	3,177,936	7,931	3,465,922	380,936	63,998	12,035,023	24,125,642
Gross Proceeds					$ 62,871,349	$ 2,070,935	$ 449,515	$ 5,023,843	$ 45,862,995	$ 93,737	$ 48,741,406	$ 5,485,780	$ 899,964	$ 180,522,093	$ 352,021,617
Underwriting and other expenses			$ 5,209	72,955
Average Offering Price					$ 14.10	$ 13.88	$ 14.23	$ 14.40	$ 14.43	$ 11.85	$ 14.06	$ 14.47	$ 14.06	$ 14.90
Proceeds from the issuance of common stock				$ 8,487,127											$ 341,650,411
At-the-Market Offering
Subsidiary, Sale of Stock [Line Items]
Number of Shares				581,614
Gross Proceeds				$ 8,418,160
Underwriting and other expenses				$ 196,558
Average Offering Price				$ 14.47
Advisor reimbursement				$ 68,967
Proceeds from the issuance of common stock				$ 8,290,569
Net proceeds per share				$ 14.38
Equity Distribution Agreement
Subsidiary, Sale of Stock [Line Items]
Aggregate offering price	$ 100,000,000	$ 50,000,000
Common stock, par value	$ 0.001	$ 0.001