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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Parenthetical) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
ELOC    
Stock Transactions, Parenthetical Disclosures    
Issuance costs $ 48,000 $ 48,000
At The Market Offering    
Stock Transactions, Parenthetical Disclosures    
Issuance costs   311,000
Registered public offering    
Stock Transactions, Parenthetical Disclosures    
Issuance costs $ 948,000 $ 2,550,000