5.	Inventories

Inventories consisted of the following:

(Table only in thousands)	2016			2015
Raw materials	$	17,889		$	24,339
Work in process		3,986			6,443
Finished goods		1,508			2,717
Obsolescence allowance		(1,896	)		(990	)
	$	21,487		$	32,509

Amounts credited to the allowance for obsolete inventory and charged to cost of sales amounted to $(1.2) million, $(0.7) million and $(0.6) million during 2016, 2015 and 2014, respectively. Items charged to the allowance for inventory write-offs were $0.2 million, $0.2 million and $0.5 million, during 2016, 2015 and 2014, respectively.