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Note 10 - Fair Value Measurements - Assumptions Used to Determine the Fair Value of the Net Options (Details)	Sep. 30, 2022	Dec. 31, 2021
Measurement Input, Option Volatility [Member] | Cable One Option [Member]
Derivative liability, measurement input	0.370	0.300
Measurement Input, Option Volatility [Member] | MBI Net Option [Member]
Derivative liability, measurement input	0.310	0.300
Measurement Input, EBITDA Multiple [Member] | Cable One Option [Member]
Derivative liability, measurement input	0.100	0.100
Measurement Input, EBITDA Multiple [Member] | MBI Net Option [Member]
Derivative liability, measurement input	0.100	0.100
Measurement Input, Risk Free Interest Rate [Member] | Cable One Option [Member]
Derivative liability, measurement input	0.085	0.050
Measurement Input, Risk Free Interest Rate [Member] | MBI Net Option [Member]
Derivative liability, measurement input	0.100	0.065
Measurement Input, Cost of Debt [Member] | Cable One Option [Member]
Derivative liability, measurement input	0.075	0.040

X

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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Balance Type:	na
Period Type:	instant

X

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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