CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Statement Of Income and Comprehensive Income [Abstract]        
Net income (loss) $ (97) $ 125 $ 195 $ 528
Amortization of hedging instrument 20 29 48 58
Comprehensive income (loss) $ (77) $ 154 $ 243 $ 586