Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - $ / shares	Sep. 30, 2016	Dec. 31, 2015
Convertible preferred stock, shares authorized	10,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	15,761,530	14,017,909
Common stock, shares outstanding	15,761,530	14,017,909
Series A Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	10,000,000	10,000,000
Convertible preferred stock, shares designated	10,000	10,000
Convertible preferred stock, shares issued	0	4,555
Convertible preferred stock, shares outstanding	0	4,555
Series B Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	10,000,000	10,000,000
Convertible preferred stock, shares designated	13,780	0
Convertible preferred stock, shares issued	13,780	0
Convertible preferred stock, shares outstanding	13,780	0