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Repurchase of Common Stock - Effects on Stockholders' Equity (Details Narrative) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Notes to Financial Statements      
Cost of common stock repurchased $ 0us-gaap_PaymentsForRepurchaseOfCommonStock $ 0us-gaap_PaymentsForRepurchaseOfCommonStock $ 243,469us-gaap_PaymentsForRepurchaseOfCommonStock
Share repurchase allocated to paid in capital 0UNAM_ShareRepurchaseAllocatedToPaidInCapital    
Share repurchase allocated to retained earnings $ 0UNAM_ShareRepurchaseAllocatedToRetainedEarnings    
Stock repurchase authority remaining 222,669us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased    
Shares repurchased and retired during period - shares 0us-gaap_StockRepurchasedAndRetiredDuringPeriodShares    
Repurchase of common stock previoudly authorized   500,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased