Inventories, Net and Significant Supplier (Tables)

3 Months Ended

Mar. 31, 2017

Inventories, net were as follows:



(In thousands)	March 31, 2017			December 31, 2016
Raw materials	$	40,496		$	33,059
Components	19,690			15,046
Work in process	5,892			5,860
Finished goods	69,666			80,119
Reserve for excess and obsolete inventory	(4,209		)	(4,205		)
Inventories, net	$	131,535		$	129,879

Changes in the reserve for excess and obsolete inventory were as follows:



(In thousands)	Three Months Ended March 31,
(In thousands)	2017			2016
Balance at beginning of period	$	4,205		$	3,045
Additions charged to costs and expenses ⁽¹⁾	632			693
Sell through ⁽²⁾	(354		)	(211		)
(Write-offs)/Foreign exchange effects	(274		)	(235		)
Balance at end of period	$	4,209		$	3,292


⁽¹⁾	The additions charged to costs and expenses do not include inventory directly written-off that was scrapped during production totaling $27 thousand and $63 thousand for the three months ended March 31, 2017 and 2016, respectively. These amounts are production waste and are not included in management's reserve for excess and obsolete inventory.


⁽²⁾	These amounts represent the reduction in reserves associated with inventory items that were sold during the period.

Inventory purchases from this supplier were as follows:



	Three Months Ended March 31,
	2017				2016
	$ (thousands)		% of Total Inventory Purchases		$ (thousands)		% of Total Inventory Purchases
Related party supplier	$	946	1.1	%	$	1,612	2.0	%

Total accounts payable to this supplier were as follows: