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Note 11 - Related Party (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Ameritas Life Insurance Corp [Member]        
Related Party Transaction, Amounts of Transaction $ 248,000 $ 242,000 $ 200,000  
IMA Financial Group [Member] | Purchasing Directors and Officers and Employment Practices Liability Insurance [Member]        
Related Party Transaction, Amounts of Transaction 1,100,000      
Related Party Transaction, Expenses from Transactions with Related Party 478,000      
PracticingExcellence.com [Member]        
Payments to Acquire Intangible Assets       $ 250,000
Revenue from Related Parties $ 294,000 $ 578,000 $ 439,000