Intangible Assets

6 Months Ended

Jun. 30, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets

4. Intangible assets

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

			June 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	$	(109,789	)	$	29,642	$	139,431	$	(103,840	)	$	35,591
Issued patents		4 to 15 Years		1,553,951		(404,770	)		1,149,181		1,528,955		(362,032	)		1,166,923
Issued trademarks		9 to 11 Years		404,524		(122,958	)		281,566		362,106		(101,561	)		260,545
Total amortized				2,097,906		(637,517	)		1,460,389		2,030,492		(567,433	)		1,463,059
Not amortized:
TASER trademark				900,000					900,000		900,000					900,000
Patents and trademarks pending				972,132					972,132		954,110					954,110
Total not amortized				1,872,132					1,872,132		1,854,110					1,854,110
Total intangible assets			$	3,970,038	$	(637,517	)	$	3,332,521	$	3,884,602	$	(567,433	)	$	3,317,169

Amortization expense relative to intangible assets for the three and six months ended June 30, 2013 was approximately $38,000 and $76,000, respectively. Amortization expense relative to intangible assets for the three and six months ended June 30, 2012 was approximately $34,000 and $68,000, respectively.

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

2013 (remaining six months)	$	77,524
2014		154,131
2015		145,380
2016		138,309
2017		134,736
2018		125,139
Thereafter		685,170
Total	$	1,460,389