PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

4.PROPERTY AND EQUIPMENT

	December 31,				Estimated
	2017		2016		Useful Life (years)
Machinery and equipment	$	2,461,047	$	2,289,175		5 to 10
Computer equipment		3,476,454		3,417,701		5
Furniture and fixtures		610,323		610,323		7
Automobiles and trucks		13,162		13,162		5
Leasehold improvements		1,798,823		1,694,900		Lesser of lease term or 10 years
		8,359,809		8,025,261
Less accumulated depreciation and amortization		6,312,867		5,726,651
	$	2,046,942	$	2,298,610

Depreciation and amortization expense for the years ended December 31, 2017, 2016 and 2015 was $616,291, $661,921 and $854,063, respectively.

During the years ended December 31, 2017 and 2016, the Company acquired $146,192 and $465,475, respectively, of property and equipment under capital leases.