Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Inventories

Inventories are valued using the first-in, first-out method and stated at the lower of cost or market and consist of the following:

	December 31,
	2017		2016
Raw materials and supplies	$	360,134	$	479,479
Work-in process		51,233		27,422
Finished goods		122,058		185,467
Total	$	533,425	$	692,368

Property, Plant and Equipment

Property and equipment consisted of the following at December 31, 2017 and 2016:

	December 31,
	2017			2016
Laboratory and manufacturing equipment	$	4,109,367		$	3,785,133
Office furniture and equipment		700,299			688,952
Computers and network equipment		1,505,651			1,472,144
Leasehold improvements		729,504			662,506
		7,044,821			6,608,735
Less accumulated depreciation		(6,209,284	)		(5,808,012	)
Property and equipment, net	$	835,537		$	800,723

Schedule of Finite-Lived Intangible Assets

Finite-lived intangible assets include trademarks, developed technology and customer relationships, and consisted of the following as of December 31, 2017 and 2016:

			December 31, 2017					December 31, 2016
	Cost		Accumulated Amortization			Net Balance		Accumulated Amortization			Net Balance
Trademarks and tradenames	$	461,000	$	(113,679	)	$	347,321	$	(67,575	)	$	393,425
Developed technology		458,000		(161,322	)		296,678		(95,898	)		362,102
Customer relationships		1,094,000		(384,817	)		709,183		(228,529	)		865,471
	$	2,013,000	$	(659,818	)	$	1,353,182	$	(392,002	)	$	1,620,998

Schedule of Expected Amortization of Intangible Assets

Expected amortization of intangible assets for each of the next five fiscal years is as follows.

Year Ending December 31,
2018	$	267,816
2019		267,816
2020		267,816
2021		267,816
2022		165,117
Thereafter		116,801
Total	$	1,353,182