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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2016
Property Plant And Equipment [Abstract]  
Property, Plant and Equipment by Classification

The following table sets forth the Company’s property, plant and equipment by classification (in thousands).

 

 

Useful

 

June 30,

 

 

December 31,

 

 

Life

 

2016

 

 

2015

 

Construction in progress

-

 

$

456

 

 

$

1,801

 

Plant machinery and equipment (1)

10 years

 

 

13,893

 

 

 

14,113

 

Site improvements

10 years

 

 

7,039

 

 

 

7,039

 

Agri-Energy retrofit asset (1)

20 years

 

 

71,266

 

 

 

65,457

 

Lab equipment, furniture and fixtures and vehicles

5 years

 

 

6,398

 

 

 

6,389

 

Demonstration plant

2 years

 

 

3,597

 

 

 

3,597

 

Buildings

10 years

 

 

2,543

 

 

 

2,543

 

Computer, office equipment and software

3 years

 

 

1,586

 

 

 

1,566

 

Leasehold improvements, pilot plant, land and support equipment

2 - 5 years

 

 

2,175

 

 

 

2,175

 

Total property, plant and equipment

 

 

 

108,953

 

 

 

104,680

 

Less accumulated depreciation and amortization

 

 

 

(31,180

)

 

 

(27,903

)

Property, plant and equipment, net

 

 

$

77,773

 

 

$

76,777

 

 

(1)

In May 2016, certain assets of the Agri-Energy retrofit asset were reclassified from plant and equipment to the Agri-Energy retrofit asset.