STOCK OPTIONS (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of option activity
Outstanding at the beginning of year (in shares)	8,648,268
Outstanding at the beginning of year (in dollars per shares)	$ 1.29
Granted (in shares)	3,035,000
Granted (in dollars per shares)	$ 2.23
Forfeited (in shares)	(2,902,584)
Forfeited (in dollars per shares)	$ 1.63
Exercised (in shares)	(725,162)
Exercised (in dollars per shares)	$ 0.88
Outstanding at the end of year (in shares)	8,055,522	8,648,268
Outstanding at the end of year (in dollars per shares)	$ 1.56	$ 1.29
Outstanding at the end of the period	7 years 6 months 18 days
Outstanding at the end of the period	$ 6,704,149
Vested at the end of period (in shares)	3,661,215
Vested at the end of period (in dollars per shares)	$ 0.91
Vested at the end of period	5 years 6 months
Vested at the end of period (in dollars)	5,035,700
Stock Option
Weighted average grant-date fair value of options granted	$ 2.04	$ 1.28	$ 1.14
Total fair value of options vested	1,985,034	1,186,098	1,324,325
Total unrecognized compensation expense, related to non-vested share-based compensation arrangements	$ 6,277,267
Period for unrecognized compensation expense is estimated to be recognized	3 years 1 month 2 days