Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares outstanding 0 0
Common stock shares subject to possible conversion 10,573,050 10,585,784
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 27,500,000 27,500,000
Common stock, shares issued 4,511,700 4,498,966
Common stock, shares outstanding 4,511,700 4,498,966