Warranties

9 Months Ended

Sep. 30, 2016

Warranties Disclosure [Abstract]

Warranties Disclosure [Text Block]

10. Warranties

Warranties are estimated and accrued at the time revenues are recorded. A rollforward of the Company’s product warranty accrual is as follows:

		Beginning		Additions/		Ending
		Balance	Payments	(Credits)		Balance
		(in thousands)
Year ended December 31, 2015	$	252	(81)	(24)	$	147
Nine months ended September 30, 2016	$	147	(56)	94	$	185