5.	Inventories


(Table only in thousands)	September 30, 2015			December 31, 2014
Raw materials	$	22,553		$	18,848
Work in process		5,727			2,644
Finished goods		2,593			2,492
Obsolescence allowance		(1,023	)		(568	)

	$	29,850		$	23,416

Amounts credited to the allowance for obsolete inventory and charged to cost of sales amounted to $0.2 million and $0.2 million for the three-month periods ended September 30, 2015 and 2014, respectively, and $0.5 million and $0.5 million for the nine-month periods ended September 30, 2015 and 2014, respectively.