Quarterly report pursuant to Section 13 or 15(d)

5. STOCKHOLDERS' EQUITY (Details Narrative)

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5. STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Net proceeds from sale of stock $ 33,399,000 $ 0
January 2021 Offering [Member]    
Sale of stock, shares 3,076,924  
Sale of stock, price per share $ 2.60  
Net proceeds from sale of stock $ 8,000,000  
Offering expenses $ 73,000  
February 2021 Offering [Member]    
Sale of stock, shares 2,926,830  
Sale of stock, price per share $ 4.10  
Net proceeds from sale of stock $ 12,000,000  
Offering expenses $ 70,000  
March 2021 Offering [Member]    
Sale of stock, shares 1,512,499  
Sale of stock, price per share $ 9.00  
Net proceeds from sale of stock $ 13,600,000  
Offering expenses $ 72,000