EQUITY TRANSACTIONS (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended	9 Months Ended			12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Stock Options	Dec. 31, 2011 Stock Options	Sep. 30, 2012 Stock Options Minimum	Sep. 30, 2012 Stock Options Maximum	Sep. 30, 2012 RSUs	Dec. 31, 2011 RSUs
Equity transactions
Total stock-based compensation expense recognized	$ 0.2	$ 0.4	$ 0.9	$ 0.8
Vesting period					3 years				3 years
Options
Outstanding at the beginning of the period (in shares)					800,800
Granted (in shares)					392,100
Expired (in shares)					(25,000)
Outstanding at the end of the period (in shares)					1,167,900	800,800
Exercisable at the end of the period (in shares)					502,824
Range of Exercise Prices
Outstanding, low end of range (in dollars per share)					$ 2.04	$ 2.04
Outstanding, high end of range (in dollars per share)					$ 16.27	$ 16.27
Granted (in dollars per share)							$ 2.44	$ 4.02
Expired (in dollars per share)					$ 15.00
Exercisable at the end of the period (in dollars per share)							$ 2.04	$ 16.27
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)					$ 6.22
Granted (in dollars per share)					$ 2.53
Expired (in dollars per share)					$ 15.00
Outstanding at the end of the period (in dollars per share)					$ 4.79	$ 6.22
Exercisable at the end of the period (in dollars per share)					$ 7.90
Weighted-Average Remaining Contractual Life
Outstanding					7 years 3 months 11 days	6 years 9 months 22 days
Exercisable at the end of the period					5 years 1 month 10 days
Aggregate Intrinsic Value
Outstanding					1.7
Exercisable at the end of the period					0.4
Additional information
Weighted-average grant date fair value of stock options granted (in dollars per share)					$ 1.65
Unrecognized compensation expense					0.8				0.5
Recognition period of unrecognized compensation cost					1 year 11 months 23 days				1 year 9 months 29 days
Weighted-average assumptions
Expected stock price volatility (as a percent)					74.30%
Risk-free interest rates (as a percent)					1.32%
Expected term of options					6 years
RSUs
Unvested outstanding at the beginning of the period (in shares)									227,769
Granted (in shares)									192,790
Vested (in shares)									(102,190)
Unvested outstanding at the end of the period (in shares)									318,369	227,769
Weighted Average Grant Date Fair Value
Unvested outstanding at the beginning of the period (in dollars per share)									$ 2.11
Granted (in dollars per share)									$ 3.39
Vested (in dollars per share)									$ 3.88
Unvested outstanding at the end of the period (in dollars per share)									$ 2.32	$ 2.11
Additional information
Weighted Average Remaining Contractual Life									1 year 9 months 29 days	1 year 10 months 6 days
Aggregate Fair Value									$ 1.3	$ 0.4