Note 6 - Other Receivables, Net (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Allowance for Doubtful Accounts Receivable	$ 150,000
Provision for Doubtful Accounts	368,000	$ 88,000
Internet Advertising And TV Advertising Contractual Deposit [Member]
Allowance for Doubtful Accounts Receivable	870,000	668,000
Provision for Doubtful Accounts	$ 256,000
Provision for Doubtful Accounts Reversal		$ 145,000