SELECTED QUARTERLY FINANCIAL DATA (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue, net	$ 2,931,401	$ 2,667,506	$ 2,306,953	$ 616,138	$ 911	$ 64,431	$ 16,114	$ 447,535	$ 8,521,998	$ 528,991	$ 7,278,383
Gross (loss) profit	10,795	(281,422)	(293,493)	(16,442)	(806)	(241,416)	2,938	269,839	(580,562)	30,555	6,816,712
Loss from operations	(2,830,183)	(2,747,501)	(2,346,736)	(4,119,463)	(5,717,197)	(2,824,822)	(2,038,163)	(1,187,182)	(12,043,883)	(11,767,364)	1,812,447
Net loss	$ (2,864,798)	$ (2,761,691)	$ (1,288,703)	$ (4,116,739)	$ (5,590,106)	$ (2,724,309)	$ (1,965,815)	$ (5,315,128)	$ (11,031,931)	$ (15,595,358)	$ (26,153,158)
Loss per common share - basic and diluted	$ (0.04)	$ (0.04)	$ (0.02)	$ (0.06)	$ (0.09)	$ (0.05)	$ (0.03)	$ (0.09)	$ (0.16)	$ (0.26)	$ (0.6)