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Note 8 - Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Goodwill, Impairment Loss (in Dollars)	$ 67,000	$ 410	$ 67,000

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- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration