STOCK BASED COMPENSATION (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Stockholders' equity
Compensation expense related to stock options and restricted stock awards	$ 500,000	$ 600,000	$ 1,100,000	$ 900,000
Stock options
Weighted-average assumptions used to value stock options
Dividend yield (as a percent)			0.00%	0.00%
Expected volatility (as a percent)			52.80%	70.90%
Risk-free interest rate (as a percent)			1.00%	0.50%
Expected life			3 years 6 months	3 years 6 months
Number of Options
Outstanding at the beginning of the period (in shares)	1,485,321
Granted (in shares)	290,810
Exercised (in shares)	(59,949)
Forfeited or expired (in shares)	(5,000)
Outstanding at the end of the period (in shares)	1,711,182		1,711,182
Exercisable at the end of the period (in shares)	525,239		525,239
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 3.35
Granted (in dollars per share)	$ 4.84
Exercise price (in dollars per share)	$ 2.66
Forfeited or expired (in dollars per share)	$ 2.75
Outstanding at the end of the period (in dollars per share)	$ 3.63		$ 3.63
Exercisable at the end of the period (in dollars per share)	$ 2.86		$ 2.86
Weighted Average Remaining Term (in years)
Outstanding at the end of the period	3 years 7 months 17 days
Exercisable at the end of the period	1 year 11 months 5 days
Aggregate Intrinsic Value
Outstanding at the end of the period	4,398,000		4,398,000
Exercisable at the end of the period	1,755,000		1,755,000
Additional disclosures
Total intrinsic value of options exercised			1,000,000	461,000
Total unrecognized stock-based compensation expense	2,000,000		2,000,000
Weighted Average Fair Value
Weighted average period over which unrecognized compensation cost is expected to be recognized			1 year 10 months 24 days
Restricted Shares
Shares
Outstanding at the beginning of the period (in shares)			1,898,133
Granted (in shares)			225,296
Vested (in shares)			(511,527)
Forfeited (in shares)			(25,399)
Outstanding at the end of the period (in shares)	1,586,503		1,586,503
Weighted Average Fair Value
Outstanding at the beginning of the period (in dollars per share)			$ 1.97
Granted (in dollars per share)			$ 4.62
Vested (in dollars per share)			$ 2.81
Forfeited (in dollars per share)			$ 2.89
Outstanding at the end of the period (in dollars per share)	$ 2.06		$ 2.06
Vesting period			3 years
Total unrecognized stock-based compensation expense	$ 2,800,000		$ 2,800,000
Weighted average period over which unrecognized compensation cost is expected to be recognized			1 year 3 months 18 days