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