EQUITY AWARDS AND OTHER INCENTIVE COMPENSATION (Details) (USD $)	3 Months Ended		0 Months Ended	3 Months Ended	12 Months Ended					0 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Jan. 25, 2013 Stock Options	Mar. 31, 2013 Stock Options	Dec. 31, 2012 Stock Options	Mar. 31, 2013 Stock Options Minimum	Dec. 31, 2012 Stock Options Minimum	Mar. 31, 2013 Stock Options Maximum	Dec. 31, 2012 Stock Options Maximum	Jan. 25, 2013 RSUs	Mar. 31, 2013 RSUs	Dec. 31, 2012 RSUs	Jan. 25, 2013 Performance Awards	Mar. 31, 2013 Performance Awards	Mar. 31, 2013 Performance Awards Minimum	Mar. 31, 2013 Performance Awards Maximum
Stock option activity
Total stock-based compensation expense recognized	$ 448,000	$ 162,000
Performance period													2 years		1 year	2 years
One-time reversal of stock-compensation expenses	100,000													300,000
Vesting period				3 years									1 year		1 year	2 years
Options
Outstanding at the beginning of the period (in shares)				1,143,900
Granted (in shares)			216,800							163,768
Outstanding at the end of the period (in shares)				1,360,700	1,143,900
Exercisable at the end of the period (in shares)				752,696
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)				$ 4.59		$ 2.04	$ 2.04	$ 16.27	$ 16.27
Granted (in dollars per share)				$ 3.94
Outstanding at the end of the period (in dollars per share)				$ 4.49	$ 4.59	$ 2.04	$ 2.04	$ 16.27	$ 16.27
Exercisable at the end of the period (in dollars per share)				$ 5.69
Weighted-Average Remaining Contractual Life
Outstanding				7 years 3 months 29 days	7 years 1 month 6 days
Exercisable at the end of the period				5 years 11 months 23 days
Aggregate Intrinsic Value
Outstanding				900,000	1,400,000
Exercisable at the end of the period				600,000
Additional disclosures
Weighted-average grant date fair value of stock options granted (in dollars per share)				$ 2.64
Unrecognized compensation expense				800,000							400,000			200,000
Recognition period of unrecognized compensation cost				2 years 2 months 16 days										1 year 8 months 23 days
Weighted-average assumptions
Expected stock price volatility (as a percent)				77.40%
Risk-free interest rates (as a percent)				1.36%
Expected term of options				6 years							2 years 1 month 2 days
RSUs
Unvested outstanding at the beginning of the period (in shares)											300,036
Granted (in shares)											163,768
Vested (in shares)											(106,369)
Unvested outstanding at the end of the period (in shares)											357,435	300,036
Weighted-Average Grant Date Fair Value
Unvested outstanding at the beginning of the period (in dollars per share)											$ 2.35
Granted (in dollars per share)											$ 3.94
Vested (in dollars per share)											$ 3.64
Unvested outstanding at the end of the period (in dollars per share)											$ 2.69	$ 2.35
Additional Disclosures
Weighted Average Remaining Contractual Life											2 years 1 month 2 days	1 year 7 months 24 days
Aggregate Fair Value											$ 1,200,000	$ 1,300,000	$ 700,000