Acquisitions - Additional Information (Detail) - USD ($)
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1 Months Ended |
9 Months Ended |
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May 31, 2017 |
Nov. 30, 2016 |
Aug. 31, 2015 |
Sep. 30, 2017 |
Mar. 31, 2017 |
Feb. 19, 2016 |
| TZ Holdings, Inc [Member] |
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| Business Acquisition [Line Items] |
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| Cash consideration |
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$ 17,300,000
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| Business acquisition hold back, value |
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800,000
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| Held back warrants expiration date |
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Sep. 14, 2018
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| Maximum contingent cash consideration |
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$ 2,000,000
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| Contingent consideration at fair value |
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$ 1,600,000
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| Contingent consideration paid |
$ 700,000
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$ 900,000
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| Technorati [Member] |
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| Business Acquisition [Line Items] |
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| Cash withheld to secure indemnification obligations |
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$ 500,000
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| Approximately owed, post closing working capital adjustments |
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$ 100,000
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| Common Stock [Member] | TZ Holdings, Inc [Member] |
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| Business Acquisition [Line Items] |
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| Business acquisition equity Interest Issued, number of Shares |
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2,400,000
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| Business acquisition equity Interest Issued, value |
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$ 3,200,000
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| Number of shares held back |
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600,000
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| Warrants [Member] | TZ Holdings, Inc [Member] |
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| Business Acquisition [Line Items] |
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| Business acquisition equity Interest Issued, number of Shares |
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480,000
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| Number of shares held back |
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120,000
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