Product Warranties (Tables)

9 Months Ended

Sep. 30, 2014

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, 2013	$	33,827
Warranty expense	10,950
Warranty usage	(18,916		)
Balance at September 30, 2014	$	25,861