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RELATED PARTY TRANSACTIONS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
RELATED PARTY TRANSACTIONS
Related party transaction expenses	$ 193,000	$ 112,000	$ 447,000	$ 237,000
Sponsored Research Agreement with The Baylor College of Medicine ("BCM")
RELATED PARTY TRANSACTIONS
Related party transaction expenses	11,000	8,000	46,000	22,000
Workforce Grant Agreement with BCM
RELATED PARTY TRANSACTIONS
Related party transaction expenses	47,000	0	147,000	0
Chief Development Officer | Consulting Agreement with Dr. Juan Vera
RELATED PARTY TRANSACTIONS
Consulting fees		88,000		175,000
Research and development
RELATED PARTY TRANSACTIONS
Related party transaction expenses	193,000	112,000	447,000	237,000
Research and development | Clinical Supply Agreement with BCM [Member]
RELATED PARTY TRANSACTIONS
Related party transaction expenses	100,000	0	200,000	0
Research and development | Sponsored Research Agreement with The Baylor College of Medicine ("BCM")
RELATED PARTY TRANSACTIONS
Related party transaction expenses	11,000	8,000	46,000	22,000
Research and development | Workforce Grant Agreement with BCM
RELATED PARTY TRANSACTIONS
Related party transaction expenses	47,000	0	147,000	0
Research and development | Purchases from Bio-Techne Corporation
RELATED PARTY TRANSACTIONS
Related party transaction expenses	$ 35,000	$ 18,000	$ 54,000	$ 39,000

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