LEASES (Details Narrative)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) ft²	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) ft²	Jun. 30, 2021 USD ($)
Operating Lease, Weighted Average Discount Rate, Percent	6.61%		6.61%
Operating Lease, Weighted Average Remaining Lease Term	11 years 2 months 15 days		11 years 2 months 15 days
Operating Lease, Payments | $	$ 207,000	$ 251,000	$ 373,000	$ 502,000
Operating Lease, Expense | $	$ 262,000		$ 500,000
Carlsbad [Member]
Area of Land	5,789		5,789
Lease expiration date description			July 2027
Ledgewood [Member]
Area of Land	35,326		35,326
Lease expiration date description			July 2026
Additional square footage			1,400
Ledgewood [Member] | Lease Amendment [Member]
Additional square footage			8,900
Nashville [Member]
Area of Land	5,500		5,500
Lease expiration date description			December 2024
Lessee, Operating Lease, Option to Extend			an option to extend the term for two additional five-year periods
Nashville 1 [Member]
Area of Land	11,552		11,552
Lease expiration date description			June 2027
Minimum [Member] | Office and Laboratory Space [Member]
Lease term	1 year		1 year
Maximum [Member] | Office and Laboratory Space [Member]
Lease term	5 years		5 years