Note K - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Balance as of		Fair Value Measurements
	September 30, 2016		Level 1		Level 2		Level 3
Description
Assets :
Cash equivalents :
Money market mutual funds	$	1,907	$	1,907		-		-
Short-term marketable securities and cash deposits:
U.S. GSE securities	$	376		-	$	376		-
Corporate debt securities	$	19,349		-	$	19,349		-
Long-term marketable securities:
U.S. GSE securities	$	23,884		-	$	23,884		-
Corporate debt securities	$	57,266		-	$	57,266		-
Derivative a ssets	$	88		-	$	88		-

	Balance as of			Fair Value Measurements
	December 31, 2015			Level 1		Level 2			Level 3
Description
Assets:
Cash equivalents:
Money market mutual funds	$	1,089		$	1,089		-			-
Short-term marketable securities and time deposits:
U.S. GSE securities
Corporate debt securities	$	12,501			-	$	12,501			-
Long-term marketable securities:
U.S. GSE securities	$	23,531			-	$	23,531			-
Corporate debt securities	$	66,184			-	$	66,184			-
Derivative liabilities	$	(36	)		-	$	(36	)		-