Note 3 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	March 31, 2014						December 31, 2013
(in thousands)	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents
Money market mutual fund	$	14,339	$	-	$	-	$	5,524	$	-	$	-
Total	$	14,339	$	-	$	-	$	5,524	$	-	$	-