Inventories, Net and Significant Suppliers (Tables)

12 Months Ended

Dec. 31, 2014

Inventories, net were as follows:



	December 31,
(In thousands)	2014			2013
Raw materials	$	24,763		$	18,990
Components	16,170			18,623
Work in process	2,622			2,017
Finished goods	56,458			59,393
Reserve for excess and obsolete inventory	(2,539		)	(2,714		)
Inventories, net	$	97,474		$	96,309

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



	Year Ended December 31,
(In thousands)	2014			2013			2012
Balance at beginning of period	$	2,714		$	2,024		$	3,447
Additions charged to costs and expenses ⁽¹⁾	3,181			3,387			2,511
Sell through⁽²⁾	(869		)	(365		)	(1,166		)
Write-offs/FX effects	(2,487		)	(2,332		)	(2,768		)
Balance at end of period	$	2,539		$	2,714		$	2,024


⁽¹⁾	The additions charged to costs and expenses do not include inventory directly written-off that was scrapped during production totaling $0.3 million, $0.3 million, and $0.5 million for the years ended December 31, 2014, 2013, and 2012, respectively. These amounts are production waste and are not included in management’s reserve for excess and obsolete inventory.


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

Inventory purchases from this vendor were as follows:



	Year Ended December 31,
	2014				2013				2012
	$ (thousands)		% of Total Inventory Purchases		$ (thousands)		% of Total Inventory Purchases		$ (thousands)		% of Total Inventory Purchases
Related party vendor	$	9,188	3.2	%	$	9,846	3.5	%	$	8,845	3.8	%

Total accounts payable to this vendor were as follows: