XML 22 R30.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 5 - Fair Value Measurement and Fair Value of Financial Instruments (Detail) - Assets and Liabilities Measured at Fair Value on a Recurring Basis (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Fair Value of Derivatives $ (3,301) $ 82
Fair Value, Inputs, Level 2 [Member]
   
Fair Value of Derivatives $ (3,301) $ 82