Segment Data - Additional Information (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($) Segment	Mar. 31, 2015 USD ($)
Segment Reporting [Abstract]
Number of reportable segments of company \| Segment	2
Segment Reporting Information [Line Items]
Product sales	$ 50,675	$ 42,843
Service revenue	4,855	1,919
Net sales	55,530	44,762
Cost of products sold	17,455	14,229
Cost of services delivered	1,173	665
Gross margin	36,902	29,868
Sales, general and administrative	24,833	14,565
Research and development	6,927	4,558
Income from operations	5,142	10,745
Purchase of property and equipment	1,280	424
Purchase of intangible assets	98	50
Depreciation and amortization	901	617
Operating Segments \| TASER Weapons
Segment Reporting Information [Line Items]
Product sales	45,834	38,341
Service revenue	0	0
Net sales	45,834	38,341
Cost of products sold	14,077	11,081
Cost of services delivered	0	0
Gross margin	31,757	27,260
Sales, general and administrative	15,272	10,705
Research and development	1,120	1,190
Income from operations	15,365	15,365
Purchase of property and equipment	1,071	347
Purchase of intangible assets	62	46
Depreciation and amortization	572	530
Operating Segments \| Axon
Segment Reporting Information [Line Items]
Product sales	4,841	4,502
Service revenue	4,855	1,919
Net sales	9,696	6,421
Cost of products sold	3,378	3,148
Cost of services delivered	1,173	665
Gross margin	5,145	2,608
Sales, general and administrative	9,561	3,860
Research and development	5,807	3,368
Income from operations	(10,223)	(4,620)
Purchase of property and equipment	209	77
Purchase of intangible assets	36	4
Depreciation and amortization	$ 329	$ 87

Total costs related to goods produced and sold during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Subparagraph (b)
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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