Fair Value Measures (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities	$ 500
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	49
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	549
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities	0
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities	500
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	49
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	549
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities	0
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	$ 0