Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of potentially dilute loss per share

	As of June 30,
	2021		2020
Convertible preferred stock		688		688
Warrants to purchase common stock		5,801,701		734,501
Options to purchase common stock		479,654		88,950
Total		6,282,043		824,139