Note 5 - Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Performance Materials		Graphic Solutions		Total
Balance, December 31, 2013	$	760,371	$	229,437	$	989,808
Foreign currency translation and other		14,089		457		14,546
Balance, June 30, 2014	$	774,460	$	229,894	$	1,004,354

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	June 30, 2014							December 31, 2013
	Gross Carrying Amount		Accumulated Amortization and Foreign Exchange			Net Book Value		Gross Carrying Amount		Accumulated Amortization and Foreign Exchange			Net Book Value
Customer lists	$	494,000	$	(19,600	)	$	474,400	$	494,000	$	(6,420	)	$	487,580
Developed technology		164,200		(10,190	)		154,010		164,200		(2,391	)		161,809
Total	$	658,200	$	(29,790	)	$	628,410	$	658,200	$	(8,811	)	$	649,389