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Investments (Details Narrative)
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
Notes to Financial Statements          
Brokered certificates of deposit $ 14,464,000   $ 14,464,000   $ 27,698,000
Statutory deposits number of banks 4   4   4
Realized investment gains $ 11 $ 373 $ 148 $ 528