Segment Data (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

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

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

	For the year ended December 31, 2017
	TASER Weapons		Software and Sensors			Total
Net sales from products	$	234,512	$	51,347		$	285,859
Net sales from services	—		57,939			57,939
Net sales	234,512		109,286			343,798
Cost of product sales	72,054		45,943			117,997
Cost of service sales	—		18,713			18,713
Cost of sales	72,054		64,656			136,710
Gross margin	162,458		44,630			207,088
Sales, general and administrative	78,202		60,490			138,692
Research and development	8,377		46,996			55,373
Income (loss) from operations	$	75,879	$	(62,856	)	$	13,023
Purchase of property and equipment	$	4,341	$	6,078		$	10,419
Purchase of intangible assets	259		765			1,024
Purchase of property and equipment and intangible assets, including goodwill, in connection with business acquisitions	2,075		10,624			12,699
Depreciation and amortization	2,705		5,336			8,041

	For the year ended December 31, 2016
	TASER Weapons		Software and Sensors			Total
Net sales from products	$	202,644	$	35,929		$	238,573
Net sales from services	—		29,672			29,672
Net sales	202,644		65,601			268,245
Cost of product sales	61,930		29,606			91,536
Cost of service sales	—		6,173			6,173
Cost of sales	61,930		35,779			97,709
Gross margin	140,714		29,822			170,536
Sales, general and administrative	63,617		44,459			108,076
Research and development	5,887		24,722			30,609
Income (loss) from operations	$	71,210	$	(39,359	)	$	31,851
Purchase of property and equipment	$	4,129	$	828		$	4,957
Purchase of intangible assets	262		3,233			3,495
Purchase of intangible assets, including goodwill, in connection with business acquisitions	—		6,825			6,825
Depreciation and amortization	2,207		1,451			3,658

	For the year ended December 31, 2015
	TASER Weapons		Software and Sensors			Total
Net sales from products	$	162,375	$	22,855		$	185,230
Net sales from services	—		12,662			12,662
Net sales	162,375		35,517			197,892
Cost of product sales	48,821		16,201			65,022
Cost of service sales	—		4,223			4,223
Cost of sales	48,821		20,424			69,245
Gross margin	113,554		15,093			128,647
Sales, general and administrative	47,640		22,058			69,698
Research and development	4,470		19,144			23,614
Income (loss) from operations	$	61,444	$	(26,109	)	$	35,335
Purchase of property and equipment	$	4,159	$	1,844		$	6,003
Purchase of intangible assets	277		224			501
Purchase of property and equipment and intangible assets, including goodwill, in connection with business acquisitions	1,453		11,146			12,599
Depreciation and amortization	2,311		980			3,291