Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment

v3.8.0.1
Property, Plant and Equipment
3 Months Ended
Mar. 31, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, Plant and Equipment

Property, plant and equipment at March 31, 2018 and December 31, 2017 consisted of the following:
 
Estimated Useful
Life (in Years)
 
March 31, 2018
 
December 31, 2017
Energy systems
1 - 15 years
 
$
12,548,796

 
$
12,466,642

Machinery and equipment
5 - 7 years
 
1,284,203

 
1,215,951

Furniture and fixtures
5 years
 
104,317

 
205,320

Computer software
3 - 5 years
 
233,478

 
115,253

Leasehold improvements
*
 
450,772

 
440,519

 
 
 
14,621,566

 
14,443,685

Less - accumulated depreciation and amortization
 
 
(2,573,083
)
 
(2,177,974
)
 
 
 
$
12,048,483

 
$
12,265,711

* Lesser of estimated useful life of asset or lease term
Depreciation and amortization expense on property and equipment for the three months ended March 31, 2018 and 2017 was $402,336 and $39,453, respectively.