Note 10 - Stock Incentive Plans (Details) - Non-cash Compensation Expenses (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Non-cash Compensation Expenses [Abstract]
Stock Option Plans	$ 338,128	$ 747,952	$ 678,799	$ 747,952
Restricted Stock Grants	1,472,055	2,051,947	3,086,775	4,133,972
Total Non-cash compensation expense	$ 1,810,183	$ 2,799,899	$ 3,765,574	$ 4,881,924