Property, plant and equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, plant and equipment

Note 5 - Property, plant and equipment

Elements of property, plant and equipment are as follows:

December 31,	2015		2014		Estimated Lives
(in thousands)
Property, plant and equipment
- Land	$	535	$	535
- Buildings		830		830	39 years
- Building improvements		810		776	39 years
- Equipment		13,206		12,429	3-7 years
- Equipment under capital lease		234		100	5-7 years
- Vehicles		1,311		1,281	5 years
- Lab and computer equipment, software		2,499		2,377	3-5 years
- Furniture & fixtures		276		265	7-8 years
- Leasehold improvements		110		90	3 years
- Equipment under construction		491		225
Subtotal		20,302		18,908
Accumulated depreciation		12,766		11,021
Total	$	7,536	$	7,887

Depreciation expense for the years ended December 31, 2015 and 2014 was $1,560,000 and $900,000, respectively.