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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($)				1 Months Ended	3 Months Ended						9 Months Ended		12 Months Ended		39 Months Ended
	Oct. 16, 2024	Sep. 16, 2024	Jun. 21, 2021	Sep. 30, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2021	Oct. 01, 2024	Dec. 31, 2020
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Accumulated deficit				$ (192,717,936)	$ (192,717,936)						$ (192,717,936)		$ (159,367,353)
Cash, cash equivalents, and marketable securities				85,000,000.0	85,000,000.0						85,000,000.0
Milestone payment received											(11,139,956)	$ (1,089,977)
Gross proceeds from sale of common stock											71,481,962	2,351,476
Revenue recognized under "ERC"													$ 191,463	$ 191,199
Receivables under "ERC"				$ 366,551	366,551						366,551			$ 738,778		$ 738,778
Grant income					0			$ 0			0	0
Research and development					11,807,867			10,028,964			35,413,649	26,507,872
Comprehensive loss					(12,615,494)			(6,457,093)			(33,490,175)	(21,517,489)
Net unrealized gain (loss) on marketable securities					$ (58,766)	$ (152,714)	$ 71,888	$ (66,485)	$ 84,707	$ (10,258)	$ (139,592)	$ 7,964
Antidilutive securities					15,454,599			8,303,253			15,454,599	8,303,253
Subsequent event
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Number of common stock shares issued	5,073,800
Public offering price	$ 17.00
Gross proceeds from sale of common stock	$ 86,300,000
June 2021 ATM Program
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Common Stock, Shares Authorized, Value			$ 75,000,000.0
Number of common stock shares issued															9,228,383
Average price (in dollars per share)															$ 8.13
Gross proceeds from sale of common stock															$ 75,000,000.0
Nippon Shinyaku | Private placement
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Number of common stock shares issued		2,798,507		2,798,507
Public offering price		$ 5.36		$ 5.36	$ 5.36						$ 5.36
Gross proceeds from sale of common stock		$ 15,000,000.0		$ 15,000,000.0
Commercialization and Distribution Agreement with Nippon Shinyaku Co, Limited, Japan
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Milestone payment received							$ 10,000,000.0
Maximum | June 2021 ATM Program
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Common Stock, Shares Authorized, Value			$ 75,000,000.0

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