Note 10 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

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

			Fair Value Measurement Using
	June 30, 2014		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market accounts	$	56,767	$	56,767	$	-	$	-
Available for sale equity securities		2,315		1,507		808		-
Total	$	59,082	$	58,274	$	808	$	-
Liability Category
Long term contingent consideration	$	58,600	$	-	$	-	$	58,600

			Fair Value Measurement Using
	December 31, 2013		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market accounts	$	78,633	$	78,633	$	-	$	-
Available for sale equity securities		2,302		1,470		832		-
Derivatives		163		-		163		-
Total	$	81,098	$	80,103	$	995	$	-
Liability Category
Long term contingent consideration	$	34,800	$	-	$	-	$	34,800

Fair Value Measurements, Nonrecurring [Table Text Block]

	June 30, 2014				December 31, 2013
	Carrying Value		Fair Value		Carrying Value		Fair Value
First lien credit facility, including current portion	$	747,450	$	747,450	$	751,225	$	752,637