Product Warranties (Tables)

9 Months Ended

Sep. 30, 2015

Product Warranties [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

The following table represents changes in the Company’s consolidated warranty reserve:

Balance at December 31, 2014	$	24,246
Warranty expense	11,933
Warranty usage	(15,667		)
Balance at September 30, 2015	$	20,512