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Acquisition (Details) |  |  | 6 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 22, 2018 USD ($) | Oct. 20, 2017 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | [1] | Jun. 30, 2018 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2018 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Contingent consideration paid |  |  | $ 810,000 | $ (425,000) |  |  |
Accelerated |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash paid at closing | $ 16,400,000 |  |  |  |  |  |
Cash acquired | $ 200,000 |  |  |  |  |  |
Earn-out payment installments | 2 |  |  |  |  |  |
TempAlert |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash paid at closing |  | $ 40,700,000 |  |  |  |  |
Cash acquired |  | 600,000 |  |  |  |  |
Earn-out payments | Accelerated |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Earn-out payment maximum | $ 4,500,000 |  |  |  |  |  |
Additional earn-out payment | Accelerated |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Earn-out payment maximum | 2,000,000 |  |  |  |  |  |
Fair Value, Measurements, Recurring | Contingent Consideration | Estimate of Fair Value Measurement |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Contingent consideration fair value |  |  | 8,527,000 |  |  |  | $ 10,065,000
Fair Value, Measurements, Recurring | Contingent Consideration | Estimate of Fair Value Measurement | Accelerated |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Contingent consideration fair value | $ 2,300,000 |  | 5,400,000 |  |  |  |
Contingent consideration paid |  |  |  |  | $ 3,500,000 |  |
Fair Value, Measurements, Recurring | Contingent Consideration | Estimate of Fair Value Measurement | TempAlert |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Contingent consideration fair value |  | $ 0 | $ 0 |  |  |  |
Forecast | Earn-out payments | TempAlert |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Earn-out payment maximum |  |  |  |  |  | $ 45,000,000 |
[1] | Prior period information has been restated for the adoption of ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which we adopted on October 1, 2018.

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