Note 6 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

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

	June 30, 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	$	5,129	$	-	$	-	$	5,524	$	-	$	-
Total	$	5,129	$	-	$	-	$	5,524	$	-	$	-