STOCK BASED COMPENSATION (Details) (USD $)	6 Months Ended
	Jun. 30, 2013
Stock Options
Outstanding, beginning - Shares	2,939,167
Options previously expired - Shares	196,667
Options forfeited - Shares	(70,000)
Options exercised - Shares	(290,000)
Outstanding, ending - Shares	2,775,834
Vested - Shares	2,165,834
Exercisable - Shares	2,165,834
Outstanding, beginning - Weighted Average Exercise Price	$ 5.70
Options previously expired - Weighted Average Exercise Price	$ 1.02
Options forfeited - Weighted Average Exercise Price	$ (1.33)
Options exercised - Weighted Average Exercise Price	$ (0.61)
Options cancelled/forfeited/expired - Weighted Average Exercise Price	$ (1.33)
Outstanding, ending - Weighted Average Exercise Price	$ 6.01
Vested - Weighted Average Exercise Price	$ 7.16
Exercisable - Weighted Average Exercise Price	$ 7.16
Outstanding, beginning - Weighted Average Remaining Contractual Life (in Years)	6 years 6 months
Outstanding, ending - Weighted Average Remaining Contractual Life (in Years)	6 years 0 months 18 days
Exercisable - Weighted Average Remaining Contractual Life (in Years)	5 years 6 months 7 days
Vested - Weighted Average Remaining Contractual Life (in Years)	5 years 6 months 7 days
Outstanding, beginning - Grant Date Fair Value	$ 1,144,024
Options previously expired - Grant Date Fair Value	34,152
Options forfeited - Grant Date Fair Value	(35,554)
Options exercised - Grant Date Fair Value	(101,538)
Outstanding, ending - Grant Date Fair Value	1,041,084
Vested - Grant Date Fair Value	633,977
Exercisable - Grant Date Fair Value	$ 633,977