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Note 14 - Discontinued Operations (Details Textual) - Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member] - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Assets Acquired in The Dental Power Agreement [Member]      
Proceeds from Sale of Productive Assets   $ 2,000  
Disposal Group, Including Discontinued Operation, Payment Term (Year)   5 years  
Gain (Loss) on Disposition of Assets, Total   $ 340  
Disposal Group, Including Discontinued Operation, Intangible Assets Impairment Loss   514  
Assets Acquired in The Dental Power Agreement [Member] | Customer Lists [Member]      
Disposal Group, Including Discontinued Operation, Intangible Assets $ 891,000 $ 891,000 $ 3,100
Assets Acquired in the Dubin Agreement [Member] | Customer Lists [Member]      
Disposal Group, Including Discontinued Operation, Intangible Assets Impairment Loss $ 514