Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Parenthetical)

v3.20.4
Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]    
Stock issuance cost $ 6,039,423 $ 2,571,552