STOCK OPTIONS - STOCK COMPENSATION (Details 3)	12 Months Ended
	Dec. 31, 2017 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	418,233
Options Outstanding Weighted Average Remaining Contractual Life (Years)	3 years 9 months 18 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 5.17
Number exercisable | shares	329,233
Options Exercisable Weighted Average Remaining Contractual Life (Years)	2 years 2 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.65
Exercise Price Range One [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	177,687
Options Outstanding Weighted Average Remaining Contractual Life (Years)	6 months
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 3.98
Number exercisable | shares	177,687
Options Exercisable Weighted Average Remaining Contractual Life (Years)	6 months
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 3.98
Exercise Price Range Two [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	17,244
Options Outstanding Weighted Average Remaining Contractual Life (Years)	3 years
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 2.92
Number exercisable | shares	17,244
Options Exercisable Weighted Average Remaining Contractual Life (Years)	3 years
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 2.92
Exercise Price Range Three [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	41,283
Options Outstanding Weighted Average Remaining Contractual Life (Years)	3 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.37
Number exercisable | shares	41,283
Options Exercisable Weighted Average Remaining Contractual Life (Years)	3 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.37
Exercise Price Range Four [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	2,090
Options Outstanding Weighted Average Remaining Contractual Life (Years)	4 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.29
Number exercisable | shares	2,090
Options Exercisable Weighted Average Remaining Contractual Life (Years)	4 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.29
Exercise Price Range Five [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	41,809
Options Outstanding Weighted Average Remaining Contractual Life (Years)	4 years 6 months
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.74
Number exercisable | shares	41,809
Options Exercisable Weighted Average Remaining Contractual Life (Years)	4 years 6 months
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.74
Exercise Price Range Six [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	49,120
Options Outstanding Weighted Average Remaining Contractual Life (Years)	5 years 3 months 18 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 7.86
Number exercisable | shares	49,120
Options Exercisable Weighted Average Remaining Contractual Life (Years)	5 years 3 months 18 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 7.86
Exercise Price Range Seven [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding | shares	89,000
Options Outstanding Weighted Average Remaining Contractual Life (Years)	9 years 8 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 7.09
Number exercisable | shares	0
Options Exercisable Weighted Average Remaining Contractual Life (Years)	0 years
Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 0