Note 2 - Liquidity and Basis of Presentation (Details Textual) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net Income (Loss) Attributable to Parent	$ (2,106,846)	$ (1,810,425)	$ (3,185,359)	$ (537,142)	$ (4,674,752)	$ 1,792,956	$ (2,728,876)	$ (4,194,465)	$ (7,639,772)	$ (9,805,148)	$ (10,316,317)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations									(2,732,089)	$ (8,585,557)	$ (8,003,851)
Working Capital	(15,036)								(15,036)
Current Liabilities [Member]
Disputed Accrued Expenses	156,000								156,000
Payment in Kind (PIK) Note [Member]
Interest Payable	$ 961,395								$ 961,395