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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Income Taxes
Increase in reserve for uncertain tax positions	$ 29
Capital Loss Carryforward \| CALIFORNIA
Income Taxes
Deferred tax valuation allowance	$ 114

The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

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