CONSOLIDATED STATEMENTS CONVERTIBLE PREFERRED STOCK NON-CONTROLLING INTERESTS AND STOCKHOLDERS' EQUITY (DEFICIT) - 6 months ended Jun. 30, 2015 - USD ($)	Total	Noncontrolling Interest [Member]	Convertible Preferred Stock and Non-Controlling Interests [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Stockholders' Notes Receivable [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Series A Convertible Preferred Stock [Member]	Series B Convertible Preferred Stock [Member]	Series C Convertible Preferred Stock [Member]	Series D Convertible Preferred Stock [Member]
Balance at Dec. 31, 2014	$ (46,806,801)	$ 6,780,588	$ 43,189,254	$ 2,018	$ 10,055,613	$ (58,824)	$ 56,544	$ (56,862,152)	$ 254,525	$ 6,926,180	$ 5,745,127	$ 23,482,834
Balance (in shares) at Dec. 31, 2014				201,787					2,483,692	8,073,508	3,351,156	19,557,392
Stock-based compensation	590,943		0		590,943
Issuance of common stock upon IPO	4,099,500		0	$ 6,833	4,092,667
Issuance of common stock upon IPO (in shares)				683,250
Expenses related to initial public offering	(1,373,858)		0		(1,373,858)
Conversion of preferred stock to common stock at $6.00 per share ($0.01 par value), net of deemed dividend of $8,222,008	36,408,666		(36,408,666)	$ 45,678	36,362,988				$ (254,525)	$ (6,926,180)	$ (5,745,127)	$ (23,482,834)
Conversion of preferred stock to common stock at $6.00 per share ($0.01 par value), net of deemed dividend of $8,222,008 (in shares)				4,567,782					(2,483,692)	(8,073,508)	(3,351,156)	(19,557,392)
Conversion of promissory notes to common stock at $4.20 per share	3,532,694		0	$ 8,660	3,524,034
Conversion of promissory notes to common stock at $4.20 per share (in shares)				866,056
Beneficial conversion feature on conversion of Notes upon the IPO	1,663,873		0		1,663,873
Exercise of common stock options	$ 14,948		0	$ 231	14,717
Exercise of common stock options (in shares)	23,075			23,075
Exercise of common warrants upon initial public offering			0	$ 97	(97)
Exercise of common warrants upon initial public offering (in shares)				9,748
Conversion of non-controlling interest to common stock	$ 6,818,732	(6,818,732)	(6,818,732)		6,818,732
Reclassification of previously issued warrant liability to stockholders' equity	79,930		0		79,930
Issuance of restricted stock	184,352			$ 1,254	183,098
Issuance of restricted stock (in shares)				125,412
Adjustment for fractional shares				(17)
Translation adjustment	48,346	32,967	32,967				48,346
Net income attributable to non-controlling interest	(12,569,624)	5,177	5,177					(4,347,616)
Balance at Jun. 30, 2015	$ 913,709	$ 0	$ 0	$ 64,771	$ 62,012,640	$ (58,824)	$ 104,890	$ (61,209,768)	$ 0	$ 0	$ 0	$ 0
Balance (in shares) at Jun. 30, 2015				6,477,093					0	0	0	0