Note 10 - Stockholder's Equity (Details) - Stock-Based Compensation Expense (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 941,287	$ 1,305,148
Selling and Marketing Expense [Member] | Continuing Operations [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	116,990	93,322
Product Development And Content [Member] | Continuing Operations [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	514,745	350,298
General and Administrative Expense [Member] | Continuing Operations [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 309,552	$ 861,528