Note 6 - Accounts receivable, net (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Note 6 - Accounts receivable, net (Details) [Line Items]
Allowance for Doubtful Accounts Receivable, Current	$ 3,704,000		$ 3,704,000		$ 3,630,000
Number of Months Past Due		6 months
Provision for Doubtful Accounts	527,000		787,000	561,000
Internet Advertising And TV Advertising [Member]
Note 6 - Accounts receivable, net (Details) [Line Items]
Allowance for Doubtful Accounts Receivable, Current		3,704,000
Provision for Doubtful Accounts	$ 0		$ 0