Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Operations (Parenthetical)

v3.19.1
Consolidated Statements of Operations (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]    
Stock-based compensation $ 6,735,124 $ 6,772,752