Note 4 - Fair Value Measurement (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |||
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Nov. 30, 2016 |
Jan. 31, 2021 |
Jan. 31, 2020 |
Oct. 31, 2019 |
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Payment for Contingent Consideration Liability, Financing Activities | $ (0) | $ 1,183 | ||
Camfaud [Member] | ||||
Payment for Contingent Consideration Liability, Financing Activities | 1,200 | |||
Payment for Contingent Consideration Liability, Operating Activities | 500 | |||
Camfaud [Member] | Earnout Payments [Member] | ||||
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 3,100 | |||
Earnout Period (Year) | 3 years | |||
Business Combination, Contingent Consideration, Liability, Total | $ 0 | $ 1,700 |
X | ||||||||||
- Definition The period after an acquisition in which the seller of a business may obtain additional compensation in the future if the business achieves certain financial goals. No definition available.
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X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability exceeding amount recognized at acquisition date. Includes, but is not limited to, measurement period adjustment and less amount paid soon after acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Details
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X | ||||||||||
- Details
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