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Condensed Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Jun. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Temporary equity, outstanding 2,822,332 3,769,876
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, authorized 1,000,000 1,000,000
Preferred stock, issued 0 0
Preferred stock, outstanding 0 0
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, authorized 11,000,000 11,000,000
Common stock, issued 1,927,804 1,891,460
Common stock, outstanding 1,927,804 1,891,460