Benefit on reversal of accrued litigation.

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

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- Definition

Total costs related to services rendered by an entity during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(d))

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

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No definition available.

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- Definition

The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

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- Definition

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.

+ References

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- Definition

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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

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-Name Accounting Standards Codification

-Topic 730

-SubTopic 10

-Section 50

-Paragraph 1

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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- Definition

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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 4

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 30

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Segment Data - Summary of Operational Information Relative to the Company's Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Product sales	$ 46,816us-gaap_SalesRevenueGoodsNet	$ 44,349us-gaap_SalesRevenueGoodsNet	$ 37,175us-gaap_SalesRevenueGoodsNet	$ 36,185us-gaap_SalesRevenueGoodsNet	$ 40,025us-gaap_SalesRevenueGoodsNet	$ 35,197us-gaap_SalesRevenueGoodsNet	$ 32,175us-gaap_SalesRevenueGoodsNet	$ 30,434us-gaap_SalesRevenueGoodsNet	$ 160,313us-gaap_SalesRevenueGoodsNet	$ 136,123us-gaap_SalesRevenueGoodsNet	$ 114,126us-gaap_SalesRevenueGoodsNet
Service revenue									4,212us-gaap_SalesRevenueServicesNet	1,708us-gaap_SalesRevenueServicesNet	627us-gaap_SalesRevenueServicesNet
Net sales									164,525us-gaap_SalesRevenueNet	137,831us-gaap_SalesRevenueNet	114,753us-gaap_SalesRevenueNet
Cost of products sold									60,913us-gaap_CostOfGoodsSold	50,099us-gaap_CostOfGoodsSold	43,123us-gaap_CostOfGoodsSold
Cost of services delivered									2,064us-gaap_CostOfServices	1,889us-gaap_CostOfServices	3,915us-gaap_CostOfServices
Gross margin	27,413us-gaap_GrossProfit	28,713us-gaap_GrossProfit	23,214us-gaap_GrossProfit	22,208us-gaap_GrossProfit	25,554us-gaap_GrossProfit	22,096us-gaap_GrossProfit	19,742us-gaap_GrossProfit	18,451us-gaap_GrossProfit	101,548us-gaap_GrossProfit	85,843us-gaap_GrossProfit	67,715us-gaap_GrossProfit
Sales, general and administrative									54,158	46,557	39,247
Research and development									14,885us-gaap_ResearchAndDevelopmentExpense	9,888us-gaap_ResearchAndDevelopmentExpense	8,139us-gaap_ResearchAndDevelopmentExpense
Litigation recovery									0	(1,450)	2,200
Income (loss) from operations									32,505us-gaap_OperatingIncomeLoss	27,948us-gaap_OperatingIncomeLoss	22,529us-gaap_OperatingIncomeLoss
Purchase of property and equipment									2,505	1,783	1,334
Purchase of intangible assets									183	323	429
Depreciation and amortization									4,317	5,131	6,519
TASER Weapons
Segment Reporting Information [Line Items]
Product sales									145,613	127,474	109,055
Service revenue									0
Net sales									145,613	127,474	109,055
Cost of products sold									47,680	44,025	39,350
Cost of services delivered									0
Gross margin									97,933	83,449	69,705
Sales, general and administrative									42,989	40,174	35,737
Research and development									3,872	4,311	3,938
Litigation recovery										(1,450)	2,200
Income (loss) from operations									51,072	37,514	32,230
Purchase of property and equipment									2,233	1,324	922
Purchase of intangible assets									180	307	429
Depreciation and amortization									3,936	4,011	4,327
AXON
Segment Reporting Information [Line Items]
Product sales									14,700	8,649	5,071
Service revenue									4,212	1,708	627
Net sales									18,912	10,357	5,698
Cost of products sold									13,233	6,074	3,773
Cost of services delivered									2,064	1,889	3,915
Gross margin									3,615	2,394	(1,990)
Sales, general and administrative									11,169	6,383	3,510
Research and development									11,013	5,577	4,201
Income (loss) from operations									(18,567)	(9,566)	(9,701)
Purchase of property and equipment									272	459	412
Purchase of intangible assets									3	16
Depreciation and amortization									$ 381	$ 1,120	$ 2,192