ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings (loss) per share
Net income (loss)	$ 2,693	$ (7,787)	$ 5,882	$ (16,029)	$ 2,473	$ (1,170)
Deemed dividend related to redeemable common stock				(12)
Net income (loss) attributable to common shares	$ 2,693	$ (7,787)	$ 5,882	$ (16,041)
Net income (loss) per common share-basic:
Net income (loss) attributable to common shares-basic (in dollars per share)	$ 0.11	$ (0.33)	$ 0.25	$ (0.69)
Weighted average common shares outstanding-basic	23,447	23,276	23,382	23,253
Effect of dilutive securities:
Stock options and restricted stock awards (in shares)	307		129
Weighted average common shares outstanding-diluted	23,754	23,276	23,511	23,253
Net income (loss) attributable to common shares-diluted (in dollars per share)	$ 0.11	$ (0.33)	$ 0.25	$ (0.69)
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)	541	985	546	985