Note 5 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

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

	September 30, 2016						December 31, 2015
(in thousands)	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents
Money market mutual fund	$	5,538	$	-	$	-	$	11,896	$	-	$	-
Total	$	5,538	$	-	$	-	$	11,896	$	-	$	-