Note 3 - Basis of Reporting and Significant Accounting Policies - Derivatives Measured at Fair Value (Details) - Fair Value, Inputs, Level 3 [Member]	3 Months Ended
	Mar. 31, 2017 USD ($)
Balance at beginning of year	$ 2,176,552
Net unrealized gain included in operations	(895,724)
Balance at end of year	1,283,475
Series 2023 PIK Note Derivative Liability [Member]
Issuance of additional Series 2023 Notes	$ 2,647