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Note 5 - Short-term Investments (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

		Amortized				Fair				Unrealized
		Cost				Value				Gain/(Loss)
		(In thousands)
Commercial paper		$	23,982			$	23,984			$	2
Corporate bonds			21,717				21,693				(24	)
Certificates of deposit			961				961				–
Balances as of December 28, 2014		$	46,660			$	46,638			$	(22	)

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