Note 2 - Other Balance Sheet Captions (Detail) - Components of Accrued Expenses (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Employee benefit plans (Note 8)	$ 784	$ 421
Salaries and wages	1,843	1,334
Restructuring charges	643	745
Property taxes	512	426
Other accrued expenses	1,438	1,097
Total	$ 5,220	$ 4,023

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Topic 942

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-Name Accounting Research Bulletin (ARB)

-Number 43

-Section A

-Paragraph 16

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 95-3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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