Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Changes in Stockholders' Equity (Parenthetical)

v3.20.1
Consolidated Statement of Changes in Stockholders' Equity (Parenthetical)
12 Months Ended
Dec. 31, 2018
USD ($)
Statement of Stockholders' Equity [Abstract]  
Proceeds from public offering, gross $ 18,504,320
Issuance costs $ 3,623,505