Note 3 - Basis of Reporting and Significant Accounting Policies - Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Series 2023 PIK Note Derivative Liability [Member]
Derivative liability	$ 46,170	$ 142,909
Series 2023 PIK Note Derivative Liability [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability	0
Series 2023 PIK Note Derivative Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability	0
Series 2023 PIK Note Derivative Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability	46,170
Series A PIK Note Derivative Liability [Member]
Derivative liability	518,579	$ 2,033,643
Series A PIK Note Derivative Liability [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability	0
Series A PIK Note Derivative Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability	0
Series A PIK Note Derivative Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability	$ 518,579