ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings (loss) per share
Net income (loss)	$ 470	$ (7,798)	$ 3,189	$ (8,242)	$ (8,007)	$ 3,259
Deemed dividend related to redeemable common stock		(2)		(12)
Net income (loss) attributable to common shares	$ 470	$ (7,800)	$ 3,189	$ (8,254)
Net income (loss) per common share-basic:
Net income (loss) attributable to common shares-basic (in dollars per share)	$ 0.02	$ (0.34)	$ 0.14	$ (0.36)
Weighted average common shares outstanding-basic	23,437	23,265	23,382	23,240
Effect of dilutive securities:
Stock options and restricted stock awards (in shares)	27		17
Weighted average common shares outstanding-diluted	23,464	23,265	23,399	23,240
Net income (loss) attributable to common shares-diluted (in dollars per share)	$ 0.02	$ (0.34)	$ 0.14	$ (0.36)
Stock options and restricted stock awards
Anti-dilutive securities excluded from computation of earnings per share
Anti-dilutive securities excluded from computation of earnings per share (in shares)	709	1,020	892	1,020
Convertible senior notes
Anti-dilutive securities excluded from computation of earnings per share
Anti-dilutive securities excluded from computation of earnings per share (in shares)		321		321