Note 2 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
Dec. 31, 2018 USD ($)
Finite-Lived Intangible Asset, Useful Life	11 years 255 days
Number of Reporting Units	6
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 3,893
Customer Lists and Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	13 years 146 days
Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	8 years 36 days
Minimum [Member]
Finite Lived Intangible Asset Useful Life Franchise Rights	2.50%
Minimum [Member] \| Customer Lists and Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	4 years
Minimum [Member] \| Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Minimum [Member] \| Management Contracts and Other [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Minimum [Member] \| Order or Production Backlog [Member]
Finite-Lived Intangible Asset, Useful Life	180 days
Maximum [Member]
Finite Lived Intangible Asset Useful Life Franchise Rights	15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	15 years
Maximum [Member] \| Customer Lists and Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] \| Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	35 years
Maximum [Member] \| Management Contracts and Other [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Maximum [Member] \| Order or Production Backlog [Member]
Finite-Lived Intangible Asset, Useful Life	1 year
Building [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	20 years
Building [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	40 years
Vehicles [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Vehicles [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years
Computer Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Computer Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Leasehold Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years

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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.

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Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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