Patents (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Patents Less

The following is a summary of patents less accumulated amortization at December 31, 2013 and 2012:

	December 31,
	2013		2012
Patents	$	2,980,033	$	2,980,033
Less accumulated amortization		1,466,693		1,301,246
	$	1,513,340	$	1,678,787

Estimated future amortization expense

The estimated future amortization expense related to patents as of December 31, 2013 is as follows:

Year Ended December 31.	Amount
2014	$	165,445
2015		162,422
2016		160,948
2017		159,347
2018		148,649
Thereafter		716,529
Total	$	1,513,340