2. Inventories, net

12 Months Ended

Dec. 31, 2015

Notes to Financial Statements

2. Inventories, net

Inventories, which are presented net of allowance for obsolete and slow moving inventory, consisted of the following:

	December 31,
	2015		2014
Finished goods	$	4,029	$	3,826
Work in process		8,497		5,127
Raw materials		3,756		3,159
	$	16,282	$	12,112

Changes in the allowance for obsolete and slow moving inventory are as follows:

	Years Ended December 31,
	2015			2014
Balance, beginning of year	$	1,703		$	2,960
Charged to cost of sales		54			9
Disposal of inventory		(72	)		(1,266	)
Balance, end of year	$	1,685		$	1,703

During the year ended December 31, 2014, the Company disposed of obsolete inventory that had been fully reserved previously.  There was no material impact to the Company’s balance sheet or statement of operations as a result of this transaction.