Net Loss Per Share - Schedule of securities excluded from computation of diluted net income (loss) per share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Schedule of securities excluded from computation of diluted net income (loss) per share [Abstract]
Convertible notes payable (see Note 9)	482,703	482,703	482,703	482,703
Common stock warrants (see Note 10)	4,477,045	4,562,462	4,477,045	4,562,462
Options to purchase common stock (see Note 13)	12,071,276	9,128,563	12,071,276	9,128,563
Unvested restricted stock awards (see Note 13)	849,215	1,482,815	849,215	1,482,815
Unit purchase option to purchase common stock	0	242,000	0	242,000
Contingent earn-out shares (see Note 3)	6,592,334	9,096,185	6,592,334	9,096,185
Total	24,472,573	24,994,728	24,472,573	24,994,728