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Investments (Details Narrative)
Sep. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Notes to Financial Statements    
Brokered certificates of deposit $ 38,495,000 $ 14,489,000
Statutory deposit of certificates of deposit $ 600,000 $ 600,000
Number of banks used to purchase statutory deposits 4 4
Number of treasury securities in an unrealized loss position for more than twelve months 1 1
Number of treasury securities in an unrealized loss position for less than twelve months 0 1