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FIXED ASSETS, NET
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
FIXED ASSETS, NET
FIXED ASSETS, NET

Fixed assets consist of the following:

 
 
Useful Life
(in years)
 
December 31, 2014
 
December 31, 2013
Equipment
 
7-20
 
$
32,533,022

 
$
7,372,306

Furniture and fixtures
 
7
 
133,824

 
110,926

Leasehold improvements
 
15
 
2,214,266

 
1,894,776

Office equipment
 
5
 
526,353

 
440,260

Vehicles
 
5
 
6,088,769

 
3,548,294

Construction in progress
 
 
 
15,870,487

 
1,064,784

Land
 
 
 
2,553,000

 
2,013,000

Total fixed assets
 
 
 
59,919,721

 
16,444,346

Less accumulated depreciation
 
 
 
(3,758,373
)
 
(1,353,170
)
Net fixed assets
 
 
 
$
56,161,348

 
$
15,091,176



Depreciation expense was $2,405,203, $1,018,003, and $295,801 for the years ended December 31, 2014, 2013, and 2012, respectively.

Equipment under construction in progress is related to TCEP technology improvements, refining equipment at the Marrero and Myrtle Grove facilities in Louisiana, and refining equipment in Fallon, Nevada.