Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of anti-dilutive shares excluded from the calculation of diluted net loss per share

The following table presents the number of anti-dilutive shares excluded from the calculation of diluted net loss per share as of December 31:

	2021	2020
Stock-based compensation awards – EI Plan	31,962,921	30,402,801
Stock-based compensation awards – STI Plan	9,526,727	6,490,208
Public Warrants	22,977,568	—
Private Warrants	674,551	—
Other warrants	4,544,258	272,730
Convertible notes payable	9,009,210	—
Total	78,695,235	37,165,739