Condensed Balance Sheets (Parenthetical) (Unaudited) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	7,235,841	7,201,774
Common stock, shares outstanding	7,235,841	7,201,774