Prepaid Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

Prepaid expenses were as follows:

	December 31,
	2014		2013
	(In thousands)
Prepaid inventories	$	4,468	$	2,972
Prepaid insurance and other	3,808		3,838
Prepaid expenses	$	8,276	$	6,810