STOCK OPTIONS - Additional details (Details) - USD ($)			12 Months Ended
	Dec. 27, 2016	Sep. 09, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based compensation expense			$ 672,223	$ 387,726	$ 0	$ 0
Total intrinsic value of options exercised			0	$ 1,414,892	$ 856,269
Assumed dividends			0
Unrecognized stock-based compensation expense			$ 672,000
Stock Option
Fair value assumptions
Number of common stock issued on exercise of stock options (in shares)			0	1,046,580	272,477
Stock options
Fair value assumptions
Risk-free rate (as a percent)		1.51%
Expected life		7 years 1 month 6 days
Director, officer, and employee | Stock Option
Stock Options Outstanding
Shares terminated			12,400	10,970	1,690
Exercise price (in dollars per share)			$ 1.51	$ 1.52	$ 0.94	$ 0.95
Fair value assumptions
Number of common stock issued on exercise of stock options (in shares)				1,046,580	259,977
Director, officer, and employee | Stock Option | Exercise Price Dollars 1.30
Stock Options Outstanding
Exercise price (in dollars per share)			$ 1.30
Shares Outstanding			478,416
Weighted Average Remaining Contractual Life			10 months 17 days
Shares Exercisable			478,416
Director, officer, and employee | Stock Option | $1.46
Stock Options Outstanding
Exercise price (in dollars per share)			$ 1.46
Shares Outstanding			50,000
Weighted Average Remaining Contractual Life			5 years 4 months 13 days
Shares Exercisable			50,000
Director, officer, and employee | Stock Option | Exercise Price Dollars 0.81
Stock Options Outstanding
Exercise price (in dollars per share)			$ 0.81
Shares Outstanding			540,103
Weighted Average Remaining Contractual Life			1 year 6 months 15 days
Shares Exercisable			540,103
Director, officer, and employee | Stock Option | Exercise Price Dollars 1.05
Stock Options Outstanding
Exercise price (in dollars per share)			$ 1.05
Shares Outstanding			250,000
Weighted Average Remaining Contractual Life			8 years 11 months 27 days
Shares Exercisable			250,000
Director, officer, and employee | Stock Option | Exercise Price Dollars 2.75
Stock Options Outstanding
Exercise price (in dollars per share)			$ 2.75
Shares Outstanding			487,000
Weighted Average Remaining Contractual Life			8 years 8 months 12 days
Shares Exercisable			484,600
Thomas J. Shaw | Stock options
Stock Options Outstanding
Shares terminated	3,000,000
Employees | Stock Option
Stock Options Outstanding
Options issued (in shares)					0	0
Employees | September 2016 grant | Stock Option
Fair value assumptions
Number of common stock issued on exercise of stock options (in shares)				500,400
Weighted average fair value of options granted during period (in dollars per share)				$ 1.783
Annualized standard deviation (as a percent)				67.10%
Risk-free rate (as a percent)				1.51%
Expected life				7 years 1 month 6 days
Employees | December 2016 grant | Stock Option
Fair value assumptions
Number of common stock issued on exercise of stock options (in shares)				100,000
Weighted average fair value of options granted during period (in dollars per share)				$ 0.728
Annualized standard deviation (as a percent)				72.50%
Risk-free rate (as a percent)				2.37%
Expected life				7 years 1 month 6 days
Director | Stock Option
Fair value assumptions
Weighted average fair value of options granted during period (in dollars per share)				$ 0.728
Annualized standard deviation (as a percent)				72.50%
Risk-free rate (as a percent)				2.37%
Expected life				7 years 1 month 6 days
Non Employees | Stock Option
Stock Options Outstanding
Exercise price (in dollars per share)			$ 0.81	$ 0.81	$ 0.81	$ 0.81
Fair value assumptions
Number of common stock issued on exercise of stock options (in shares)					12,500
Non Employees | Stock Option | Exercise Price Dollars 0.81
Stock Options Outstanding
Exercise price (in dollars per share)				$ 0.81
Shares Outstanding				57,500
Weighted Average Remaining Contractual Life				1 year 6 months 15 days
Shares Exercisable				57,500