Quarterly report pursuant to Section 13 or 15(d)

LIQUIDITY (Details Narrative)

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LIQUIDITY (Details Narrative) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Aug. 07, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Retained earnings (accumulated deficit) $ 337,296,882 $ 304,093,338  
Cash, cash equivalents and marketable debt securities 106,452,000    
August 2020 Sale Agreement [Member] | Jefferies LLC [Member]      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Commission percentage     3.00%
Authorized to offer and sell up of common stock     $ 150,000,000
2018 CFF Award [Member]      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Accounts receivable, after allowance for credit loss $ 2,500,000