2. Inventories, net (Tables)

12 Months Ended

Dec. 31, 2015

Inventories Net Tables

Schedule of components of inventory

	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

Schedule of changes in allowance for obsolete or slow moving inventory

	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