Note 5 - Fair Value Measurement - Reconciliation of Fair Value Measurement (Details) - USD ($) $ in Thousands |
1 Months Ended | 11 Months Ended | 12 Months Ended |
|---|---|---|---|
Dec. 05, 2018 |
Oct. 31, 2019 |
Oct. 31, 2018 |
|
| Beginning balance | $ 1,458 | $ 1,475 | $ 969 |
| Change in fair value of contingent earnout liability included in operating expenses | 207 | 527 | |
| Change in fair value due to foreign currency | 17 | 26 | (38) |
| Ending balance | $ 1,475 | $ 1,708 | $ 1,458 |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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