Number of persons employed by the Entity

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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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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No definition available.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Business Acquisitions (Details)			6 Months Ended
Business Acquisitions (Details)	Feb. 08, 2017 USD ($)	Dec. 30, 2016 USD ($) employee	Jun. 30, 2017 USD ($)
Axon Artificial Intelligence
Business Acquisition [Line Items]
Number of researchers and software engineers \| employee		7
Purchase price		$ 6,825,000
Cash consideration		3,500,000
Contingent consideration		$ 3,300,000
Earn-out, amounts earned			$ 0
Intangible assets, weighted average useful life		5 years
Dextro, Inc.
Business Acquisition [Line Items]
Purchase price	$ 7,487,000
Contingent consideration	$ 1,000,000
Earn-out, amounts earned			$ 0
Intangible assets, weighted average useful life	3 years 4 months 24 days
Additional earn-out provisions and compensation adjustments	$ 1,400,000
Acquisition transaction costs	$ 200,000