Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2017

PROPERTY AND EQUIPMENT

Schedule of major classes of property and equipment, stated at cost

	2017		2016
Leasehold Improvements	$	824,087	$	728,151
Machinery and Equipment		7,893,566		7,169,223
Information Technology & Office Equipment		2,327,524		2,293,587
Laboratory Equipment		631,666		610,767
Transportation Equipment		242,277		265,198
		11,919,120		11,066,926
Accumulated Depreciation		(9,370,142)		(9,675,351)
Net Property and Equipment	$	2,548,978	$	1,391,575

Summary of depreciation expense

	2017		2016		2015
Depreciation expense	$	514,009	$	601,093	$	655,265