Warranties

9 Months Ended

Sep. 30, 2014

Warranties Disclosure [Abstract]

Warranties Disclosure [Text Block]

10.Warranties

Warranties are estimated and accrued at the time revenues are recorded. A rollforward of product warranties is as follows:

		Beginning				Ending
		Balance	Payments	Additions		Balance
		(in thousands)
Year ended December 31, 2013	$	222	(179)	262	$	305
Nine Months Ended September 30, 2014	$	305	(56)	28	$	277