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CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) (Tables)
12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Schedule Of Convertible Preferred Stock As of December 31, 2020, convertible preferred stock consisted of the following:
(in thousands, except share and
per share data)
Shares authorizedShares issued and outstandingOriginal issuance price per shareLiquidation amountCarrying value
Series A1,090,868 1,090,868 $0.9167 $1,000 $1,000 
Series B1,401,399 1,401,399 $2.67903 3,754 22,827 
Series B-1644,541 644,541 $5.54619 3,575 4,108 
Series C1,066,331 1,066,331 $15.5677 16,600 17,170 
4,203,139 4,203,139 $24,929 $45,105 
Schedule of Warrants Issued And Outstanding The following table discloses important information regarding common stock warrants issued and outstanding at December 31, 2020:
Date issuedNumber of warrant sharesFair value on issuance date
(in thousands)
Exercisable through
September 2013150,000 $10 September 2023
October 2013150,000 10 October 2023
December 2016
130,080 69 December 2026
430,080 $89