Intangible Assets and Goodwill

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets and Goodwill

4.  Intangible Assets and Goodwill

	December 31,
Intangible assets consisted of:	2014		2013
First Aid Only Tradename, Customer List	$	8,910,000	$	—
Patents		2,111,978		2,054,316
Trademarks		663,698		632,458
Pac-Kit Tradename, Customer List		1,500,000		1,500,000
C-Thru, Customer List		1,050,000		1,050,000
Goodwill		1,375,000		—
		15,610,676		5,236,774
Accumulated amortization		1,681,065		1,164,877
	$	13,929,611	$	4,071,897

Amortization expense for patents and trademarks for the years ended December 31, 2014, and 2013 were $516,187 and $270,644, respectively. The estimated aggregate amortization expense for each of the next five succeeding years, calculated on a similar basis, is as follows: 2015 - $710,924; 2016 - $709,099; 2017 - $705,156; 2018 - $684,146; and 2019 - $633,903.