Note 3 - Basis of Presentation and Significant Accounting Policies - Derivatives Measured at Fair Value (Details) - Fair Value, Inputs, Level 3 [Member]	6 Months Ended
	Jun. 30, 2017 USD ($)
Balance at beginning of year	$ 2,176,552
Net unrealized gains included in net (loss)	(1,636,841)
Balance at end of year	564,749
PIK Note Derivative Liability [Member]
Issuance of additional PIK Notes	$ 25,038