Intangible Assets

9 Months Ended

Sep. 30, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets

4. Intangible assets

Intangible assets consisted of the following at September 30, 2013 and December 31, 2012:

			September 30, 2013							December 31, 2012
			Gross					Net
			Carrying		Accumulated			Carrying		Gross Carrying		Accumulated			Net Carrying
	Useful Life		Amount		Amortization			Amount		Amount		Amortization			Amount
Amortized:
Domain names		5 Years	$	139,431	$	(112,763	)	$	26,668	$	139,431	$	(103,840	)	$	35,591
Issued patents		4 to 15 Years		1,559,484		(429,165	)		1,130,319		1,528,955		(362,032	)		1,166,923
Issued trademarks		9 to 11 Years		421,789		(134,719	)		287,070		362,106		(101,561	)		260,545
Total amortized				2,120,704		(676,647	)		1,444,057		2,030,492		(567,433	)		1,463,059
Not amortized:
TASER trademark				900,000					900,000		900,000					900,000
Patents and trademarks pending				1,016,298					1,016,298		954,110					954,110
Total not amortized				1,916,298					1,916,298		1,854,110					1,854,110
Total intangible assets			$	4,037,002	$	(676,647	)	$	3,360,355	$	3,884,602	$	(567,433	)	$	3,317,169

Amortization expense relative to intangible assets for the three and nine months ended September 30, 2013 was approximately $39,000 and $115,000, respectively. Amortization expense relative to intangible assets for the three and nine months ended September 30, 2012 was approximately $36,000 and $104,000, respectively.

Estimated amortization expense of intangible assets for the remaining three months of 2013, the next five years ended December 31, and thereafter is as follows:

2013 (remaining three months)	$	39,434
2014		156,818
2015		148,068
2016		140,997
2017		137,424
2018		127,828
Thereafter		693,488
Total	$	1,444,057