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Schedule of Unrecognized Tax Benefits (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Beginning balance	$ 635,000
Decreases in UTBs taken in prior years	(1,000)
Decreases in UTBs taken in current year	(1,000)
Amount related to settlements
Amount related to lapsing of statute of limitations
Balance at end of year	$ 633,000

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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