Note 13 - Commitments and Contingencies (Detail) - The Accrual for Warranty Claims (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2013	Dec. 31, 2012
Beginning balance - January 1,	$ 1,679	$ 1,537	$ 1,537
Provision charged to warranty expense	93
Less: warranty claims	(18)
Ending balance - March 31,	1,754	1,537	1,537
Current portion of warranty liability	200	200
Non-current portion of warranty liability	$ 1,554	$ 1,337

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.

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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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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

+ References+ Details