Note 7 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2018 |
Jan. 31, 2019 |
Oct. 31, 2017 |
|
| Gross carrying value | $ 63,548,396 | $ 61,553,189 | |
| Accumulated amortization | (27,119,378) | $ 4,871,000 | (19,519,001) |
| Net carrying amount | $ 36,429,018 | 168,928,000 | 42,034,188 |
| Customer Relationships [Member] | |||
| Useful life (Year) | 15 years | ||
| Gross carrying value | $ 47,641,338 | 168,700,000 | 45,521,514 |
| Accumulated amortization | (23,092,905) | 4,793,000 | (16,770,766) |
| Net carrying amount | 24,548,433 | 163,906,000 | 28,750,748 |
| Trade Names [Member] | |||
| Gross carrying value | 15,412,058 | 5,100,000 | 15,546,675 |
| Accumulated amortization | (3,540,083) | 78,000 | (2,401,152) |
| Net carrying amount | $ 11,871,975 | 5,022,000 | 13,145,523 |
| Trade Names [Member] | Minimum [Member] | |||
| Useful life (Year) | 15 years | ||
| Trade Names [Member] | Maximum [Member] | |||
| Useful life (Year) | 20 years | ||
| Noncompete Agreements [Member] | |||
| Useful life (Year) | 3 years | ||
| Gross carrying value | $ 495,000 | 485,000 | |
| Accumulated amortization | (486,390) | (347,083) | |
| Net carrying amount | $ 8,610 | $ 137,917 |
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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