Segment Data (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Summary of Operational Information Relative to the Company's Reportable Segments

Information relative to the Company’s reportable segments is as follows (in thousands):

	Three Months Ended June 30, 2015							Three Months Ended June 30, 2014
	TASER Weapons		Axon			Total		TASER Weapons		Axon			Total
Product sales	$	37,825	$	5,930		$	43,755	$	32,675	$	3,593		$	36,268
Service revenue	—		2,958			2,958		—		907			907
Net sales	37,825		8,888			46,713		32,675		4,500			37,175
Cost of products sold	11,278		3,716			14,994		10,663		2,760			13,423
Cost of services delivered	—		996			996		—		538			538
Gross margin	26,547		4,176			30,723		22,012		1,202			23,214
Sales, general and administrative	10,823		4,620			15,443		10,901		2,646			13,547
Research and development	1,077		4,829			5,906		793		2,662			3,455
Income (loss) from operations	$	14,647	$	(5,273	)	$	9,374	$	10,318	$	(4,106	)	$	6,212
Purchase of property and equipment	$	188	$	1,158		$	1,346	$	336	$	87		$	423
Purchase of intangible assets	35		116			151		42		—			42
Purchase of property and equipment and intangible assets in connection with business acquisition	—		9,779			9,779		—		—			—
Depreciation and amortization	556		189			745		990		115			1,105

	Six Months Ended June 30, 2015							Six Months Ended June 30, 2014
	TASER Weapons		Axon			Total		TASER Weapons		Axon			Total
Product sales	$	76,166	$	10,432		$	86,598	$	65,150	$	6,631		$	71,781
Service revenue	—		4,877			4,877		—		1,579			1,579
Net sales	76,166		15,309			91,475		65,150		8,210			73,360
Cost of products sold	22,359		6,864			29,223		21,581		5,416			26,997
Cost of services delivered	—		1,661			1,661		—		941			941
Gross margin	53,807		6,784			60,591		43,569		1,853			45,422
Sales, general and administrative	21,528		8,480			30,008		22,190		5,103			27,293
Research and development	2,267		8,197			10,464		1,610		5,451			7,061
Income (loss) from operations	$	30,012	$	(9,893	)	$	20,119	$	19,769	$	(8,701	)	$	11,068
Purchase of property and equipment	$	535	$	1,235		$	1,770	$	1,033	$	189		$	1,222
Purchase of intangible assets	81		120			201		109		—			109
Purchase of property and equipment and intangible assets in connection with business acquisition	—		9,779			9,779		—		—			—
Depreciation and amortization	1,086		276			1,362		2,068		199			2,267