Note 10 - Stock Incentive Plans (Details) - Non-cash Compensation Expenses (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Non-cash Compensation Expenses [Abstract]
Stock Option Plans	$ 154,851	$ 340,671	$ 833,650	$ 1,088,623
Restricted Stock Grants	407,753	1,790,119	3,494,528	5,924,091
Total Non-cash compensation expense	$ 562,604	$ 2,130,790	$ 4,328,178	$ 7,012,714