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Note 2 - Basis of Presentation (Details Textual)		12 Months Ended
	Jan. 08, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Subsequent Event [Member]
Severance Costs	$ 3,261,044
Number of Operating Segments		1
Number of Reportable Segments		1
Cash and Cash Equivalents, at Carrying Value		$ 12,006,075	$ 21,883,887	$ 254,964
Net Cash Provided by (Used in) Operating Activities		(9,599,585)	(9,030,133)
Net Income (Loss) Available to Common Stockholders, Basic		(23,820,675)	$ (14,352,824)
Working Capital		10,971,423
Severance Costs		$ 967,683

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year or the normal operating cycle, if longer net of the total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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