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Note 22 - Commitments and Contingencies (Details) - The Accrual for Warranty Claims (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
The Accrual for Warranty Claims [Abstract]
Beginning balance - January 1	$ 1,537us-gaap_ProductWarrantyAccrual	$ 1,537us-gaap_ProductWarrantyAccrual	$ 1,537us-gaap_ProductWarrantyAccrual
Ending balance - December 31,	1,537us-gaap_ProductWarrantyAccrual	1,537us-gaap_ProductWarrantyAccrual	1,537us-gaap_ProductWarrantyAccrual
Current portion of warranty liability		200
Non-current portion of warranty liability	$ 1,608	$ 1,422

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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