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Basis of Presentation and Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Dec. 31, 2011
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Customer 1 [Member]
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| Revenue, Major Customer [Line Items] | |||
| Entity-wide revenue, major customer, percentage (in hundredths) | 45.00% | 59.00% | |
| Entity-wide receivable, major customer, percentage (in hundredths) | 42.00% | 57.00% | |
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Customer 2 [Member]
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| Revenue, Major Customer [Line Items] | |||
| Entity-wide revenue, major customer, percentage (in hundredths) | 35.00% | 36.00% | |
| Entity-wide receivable, major customer, percentage (in hundredths) | 47.00% | 43.00% | |
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Property equipment building and leasehold improvements [Member]
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| Long-Lived Assets to be Abandoned [Line Items] | |||
| Accelerated depreciation | 1.4 | ||
| Impairment loss | 0.8 | ||
| X | ||||||||||
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- Definition
The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. No definition available.
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- Definition
The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Percentage of receivable generated from a single external customer that accounts for 10 percent or more of an entity's receivables. No definition available.
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