Annual report pursuant to Section 13 and 15(d)

Statements of Changes in Stockholders' Equity (Parenthetical)

v3.20.1
Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Net of forfeiture 6,137  
Public Offering [Member]    
Net offering cost $ 549,060 $ 2,542,555
Private Placement Offering [Member]    
Net offering cost $ 386,724