Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

v3.20.1
Consolidated Statements of Cash Flows (Parenthetical)
12 Months Ended
Dec. 31, 2018
USD ($)
Statement of Cash Flows [Abstract]  
Proceeds from public offering, gross $ 18,504,320
Issuance costs $ 2,261,265