Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)

v3.21.1
Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]    
Stock issuance cost $ (3,298,790) $ (2,315,878)