Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)

v3.20.2
Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]    
Direct offering cost, net $ 622,900 $ 466,000