Note 6 - Accounts Payable and Accrued Expenses (Details) - Accounts Payable and Accrued Expenses - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Accounts Payable and Accrued Expenses [Abstract]
Accounts payable	$ 652,903	$ 515,764
Accrued payroll and related costs	786,281	473,108
Other accrued expenses	79,600	105,562
Accrued interest	221,607	862,836
Total accounts payable and accrued expenses	$ 1,740,391	$ 1,957,270