CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited)	Sep. 30, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts receivable | $	$ 261,334	$ 586,941
Preferred stock, par value | $ / shares	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value | $ / shares	$ 0.001	$ 0.001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	15,263,322	13,973,597
Common stock, shares outstanding	15,263,322	13,973,597