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Note 1 - Overview and Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jan. 01, 2026	Jan. 01, 2025
Number of Franchisee Owned Offices	251		251
Number of States in which Entity Operates	39		39
Number of Countries in which Entity Operates	1		1
Entity Number of Employees	75,000		75,000
Marketing and Advertising Expense	$ 290	$ 438	$ 658	$ 816
MRINetwork [Member]
Equity Method Investment, Ownership Percentage					40.00%	40.00%

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Number of persons employed by the Entity

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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-Section 50
-Paragraph 3
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-Publisher FASB
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- Definition

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-21

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-Publisher FASB
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- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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The number of states the entity operates in as of the balance sheet date.

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