Annual report pursuant to Section 13 and 15(d)

Property, plant and equipment

v3.3.1.900
Property, plant and equipment
 12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Property and equipment
Property, plant and equipment
Property, plant and equipment at December 31, 2015 and 2014 consisted of the following:
 
Estimated Useful
Life (in Years)
 
2015
 
2014
Machinery and equipment
5 - 7 years
 
$
953,081

 
$
936,705

Furniture and fixtures
5 years
 
113,842

 
99,346

Computer software
3 - 5 years
 
67,215

 
67,215

Leasehold improvements
*
 
437,341

 
427,791

 
 
 
1,571,479

 
1,531,057

Less - accumulated depreciation and amortization
 
 
(1,027,725
)
 
(872,636
)
Net property, plant and equipment
 
 
$
543,754

 
$
658,421


* Lesser of estimated useful life of asset or lease term
Depreciation and amortization expense on property and equipment for the years ended December 31, 2015 and 2014 was $172,006 and $194,879, respectively.