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

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