Note 1 - Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	Three months ended September 30,				Nine months ended September 30,
	2014		2013		2014		2013
Royalty income from Samsung Corning Precision Materials			$	14			$	43
Foreign currency exchange and hedge gain (loss), net	$	744		(33)	$	596		248
Net (gain) loss attributable to noncontrolling interests		(2)						1
Other, net		(22)		18		(7)		37
Total	$	720	$	(1)	$	589	$	329