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Note 3 - Accounts Receivable (Details) - Accounts Receivable (USD $)
Dec. 31, 2014
Dec. 31, 2013
Accounts Receivable [Abstract]    
Billed receivables $ 6,491,814us-gaap_AccountsReceivableGrossCurrent $ 4,417,254us-gaap_AccountsReceivableGrossCurrent
Less: allowance for doubtful accounts (25,000)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent (25,000)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
$ 6,466,814us-gaap_AccountsReceivableNetCurrent $ 4,392,254us-gaap_AccountsReceivableNetCurrent