Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Condensed Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - USD ($)
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Statement of Stockholders' Equity [Abstract]    
Issuance of common stock in registered direct offering, net of costs $ 234,893 $ 525,566