Property and equipment, net (Tables)

3 Months Ended

Mar. 31, 2017

Property and equipment, net, consisted of the following (in thousands):

	Useful Life		March 31,			December 31,
Asset Class	(Years)		2017			2016

Operational equipment		3-10	$	15,742		$	15,132
Lab equipment		5		551			547
Computer equipment		3		156			140
Office furniture and equipment		5		300			298
Leasehold improvements		5-7		1,408			1,408
Land		-		1,048			1,047
Building		39		23,447			21,962
Asset Retirement Cost		20		670			-
Equipment under construction		10		1,742			1,635
				45,064			42,169
Less: accumulated depreciation				(1,442	)		(777	)

			$	43,622		$	41,392