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Note 5 - Accounts Receivable, Net (Details) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Internet Advertising and TV Advertising [Member]    
Allowance for doubtful accounts $ (2,875,000) $ (3,070,000)
Accounts receivable 6,081,000 5,619,000
Accounts receivable, net $ 3,206,000 $ 2,549,000