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Note 10 - Notes Receivable - Notes Receivable (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Allowance for losses $ (1,900) $ (1,900) $ (1,900)
Notes receivable, net 4,500 4,200  
Notes Receivable to Franchisees [Member]      
Note receivable 4,728 4,433  
Allowance for losses (405) (405)  
Notes receivable, net 4,323 4,028  
HQI_Impaired [Member]      
Note receivable 1,640 1,640  
Allowance for losses (1,501) (1,501)  
Notes receivable, net $ 139 $ 139