Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment

Property, Plant and Equipment

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Property, plant and equipment at September 30, 2018 and December 31, 2017 consisted of the following:



	Estimated Useful Life (in Years)	September 30, 2018			December 31, 2017
Energy systems	1 - 15 years	$	12,209,144		$	12,466,642
Machinery and equipment	5 - 7 years	1,355,617			1,215,951
Furniture and fixtures	5 years	104,317			205,320
Computer software	3 - 5 years	274,169			115,253
Leasehold improvements	*	450,792			440,519
		14,394,039			14,443,685
Less - accumulated depreciation and amortization		(3,286,530		)	(2,177,974		)
		$	11,107,509		$	12,265,711

* Lesser of estimated useful life of asset or lease term

Depreciation and amortization expense on property and equipment for the three and nine months ended September 30, 2018 and 2017 was $404,315 and $1,234,731 and $425,911 and $751,960, respectively. During the third quarter of 2018 the Company capitalized $40,690 of implementation costs incurred in connection with the implementation of an ERP system as discussed in Note 1. Description of Business and Basis of Presentation.