XML 16 R6.htm IDEA: XBRL DOCUMENT v3.8.0.1
Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parenthetical) - USD ($)
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Public Offering    
Issuance cost $ 2,944,168 $ 3,832,004