GRANTS RECEIVABLE (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Receivables [Abstract]
Grants receivable from CPRIT	$ 2,086,157	$ 3,855,996

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Name:	us-gaap_ReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant