v3.21.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2021
Stockholders' Equity (Tables) [Line Items]  
Schedule of preferred stock
   As of June 30, 2021   As of December 31, 2020 
   Preferred
Shares
Outstanding
   Liquidation
Preference
(Per Share)
   Total
Liquidation
Preference
   Preferred
Shares
Outstanding
   Liquidation
Preference
(Per Share)
   Total
Liquidation
Preference
 
Series C-3   2,000   $10.00   $20,000    52,000   $10.00   $520,000 
Series E   89,623   $49.20   $4,409,452    89,623   $49.20   $4,409,452 
Series G   89,999   $187.36   $16,862,213    100,000   $187.36   $18,736,452 
Total   181,622        $21,291,665    241,623        $23,665,904 

 

Black-Scholes Option [Member]  
Stockholders' Equity (Tables) [Line Items]  
Schedule of fair value assumptions
Expected term   5 years 
Volatility   103.08% - 104.32% 
Dividend yield   0.0%
Risk-free interest rate   0.50% - 0.84% 
Weighted average grant date fair value of options granted during the period  $5.83 

 

Monte Carlo Option [Member]  
Stockholders' Equity (Tables) [Line Items]  
Schedule of fair value assumptions
Expected term   2 years 
Volatility   107.10%
Dividend yield   0.0%
Risk-free interest rate   1.15%

 

Stock Options [Member]  
Stockholders' Equity (Tables) [Line Items]  
Schedule of stock options activity and related information
   Shares   Weighted Average
Exercise
Price
   Weighted Average
Remaining
Contractual
Term (Years)
   Aggregate
Intrinsic
Value
 
Outstanding at beginning of period   2,447,687   $7.22    7.1   $3,009,584 
Granted   1,389,700   $8.48        $0 
Exercised   (32,734)  $4.19        $87,520 
Expired   (10,499)  $8.30        $7,639 
Forfeited   (28,408)  $5.50        $47,956 
Outstanding at end of period   3,765,746   $7.72    7.8   $2,866,470 
Exercisable at end of period   1,807,790   $8.20    6.1   $1,667,250