Property, Plant, and Equipment (Tables)

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant, and Equipment

Property, plant, and equipment, net of depreciation, at March 31, 2015 and December 31, 2014 consist of:

	March 31, 2015			December 31, 2014
Lease improvements	$	70		$	70
Machinery and equipment		2,172			1,995
Patterns and tooling		1,574			1,617
Office furniture and equipment		424			424
Information technology equipment and software		1,335			1,282
Field service spare parts		122			122
		5,697			5,510
Less accumulated depreciation		(3,789	)		(3,656	)
Total property, plant and equipment, net of depreciation	$	1,908		$	1,854