Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS EQUITY (Details Narrative)

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STOCKHOLDERS EQUITY (Details Narrative) - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Net proceeds from sale of stock $ 33,399,000 $ 5,953,000
May 2020 Offering [Member]    
Sale of stock, price per share $ 3.50  
Offering expenses $ 116,000  
Agent fees $ 319,000  
Sale of stock, shares 1,825,000  
Net proceeds from sale of stock $ 6,000,000.0  
January 2021 Offering [Member]    
Sale of stock, price per share $ 2.60  
Offering expenses $ 73,000  
Sale of stock, shares 3,076,924  
Net proceeds from sale of stock $ 8,000,000.0  
February 2021 Offering [Member]    
Sale of stock, price per share $ 4.10  
Offering expenses $ 70,000  
Sale of stock, shares 2,926,830  
Net proceeds from sale of stock $ 12,000,000.0  
March 2021 Offering [Member]    
Sale of stock, price per share $ 9.00  
Offering expenses $ 72,000  
Sale of stock, shares 1,512,499  
Net proceeds from sale of stock $ 13,600,000