STOCK BASED COMPENSATION (Details)					12 Months Ended
	Jun. 06, 2016 employee $ / shares shares	Feb. 05, 2016 $ / shares shares	Feb. 04, 2016 shares	Jul. 07, 2015	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares
Stock Options
Outstanding, beginning (shares) | shares					2,873,582	2,648,583
Options granted (shares) | shares					570,000	525,000
Options exercised (shares) | shares			(100,000)		(100,000)	(25,000)
Options cancelled/forfeited/expired (shares) | shares					(136,666)	(275,001)
Outstanding, ending (shares) | shares					3,206,916	2,873,582	2,648,583
Vested (shares) | shares					2,044,104	1,881,395
Exercisable (shares) | shares					2,044,104	1,881,395
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning - weighted average exercise price (in USD per share) | $ / shares					$ 4.99	$ 7.07
Options granted - weighted average exercise price (in USD per share) | $ / shares					1.38	2.23
Options exercised - weighted average exercise price (in USD per share) | $ / shares					(0.50)	(0.45)
Options cancelled/forfeited/expired - weighted average exercise price (in USD per share) | $ / shares					(8.64)	(20.22)
Outstanding, ending - weighted average exercise price (in USD per share) | $ / shares					4.33	4.99	$ 7.07
Vested - weighted average exercise price (in USD per share) | $ / shares					4.05	5.70
Exercisable - weighted average exercise price (in USD per share) | $ / shares					$ 4.05	$ 5.70
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Rollforward [Roll Forward]
Outstanding, beginning - grant date fair value | $					$ 2,585,341	$ 1,654,641
Options granted - grant date fair value | $					622,115	1,083,411
Options exercised - grant date fair value | $					(27,753)	(9,000)
Options cancelled/forfeited/expired - grant date fair value | $					(213,675)	(143,711)
Outstanding, ending - grant date fair value | $					$ 2,966,028	$ 2,585,341	$ 1,654,641
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding - weighted average remaining contractual life (in years)					5 years 9 months 18 days	5 years 11 months 8 days	5 years 9 months 22 days
Options granted - weighted average remaining contractual life (in years)					9 years 8 months 19 days	9 years 8 months 16 days
Vested - weighted average remaining contractual life (in years)					4 years 3 months 15 days	4 years 6 months 18 days
Exercisable - weighted average remaining contractual life (in years)					4 years 3 months 15 days	4 years 6 months 18 days
Vested - grant date fair value | $					$ 1,295,727	$ 372,367
Exercisable - grant date fair value | $					$ 1,295,727	$ 372,367
Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of awards				10 years
Award vesting period				4 years
2013 Stock Incentive Plan | Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of awards	10 years	10 years
Award vesting period	4 years	4 years
Number of employees granted options | employee	10
Stock Options
Options granted (shares) | shares	170,000	100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Options granted - weighted average exercise price (in USD per share) | $ / shares	$ 1.39	$ 1.73