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Note 4 - Property, Equipment and Leasehold Improvements (Detail) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Depreciation	$ 4,000,000	$ 1,700,000	$ 656,000

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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