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Note 5 - Restructuring and Other Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended		3 Months Ended
	Dec. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2012 Termination Fees [Member]	Mar. 31, 2012 Facility Closure Costs [Member]	Mar. 31, 2012 Relocation Fees [Member]
Note 5 - Restructuring and Other Charges (Details) [Line Items]
Restructuring and Related Cost, Incurred Cost					$ 359
Restructuring Charges		0	359	220		139
Restructuring Reserve, Accrual Adjustment	$ 46

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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