Note 15 - Financial Information by Quarter (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Quarterly Financial Information [Table Text Block]

2015 For Quarter Ended	December 31			September 30			June 30			March 31
Revenue	$	235,586		$	43,293		$	65,848		$	162,747
Operating loss	$	(2,022,257	)	$	(2,415,818	)	$	(2,803,433	)	$	(2,675,300	)
Net income (loss)	$	(4,674,752	)	$	1,792,956		$	(2,728,876	)	$	(4,194,465	)
Income (Loss) Per Share (Basic and Diluted)	$	(0.02	)	$	0.02		$	(0.03	)	$	(0.04	)

2014 For Quarter Ended	December 31			September 30			June 30			March 31
Revenue	$	119,533		$	55,681		$	47,993		$	11,014
Operating loss	$	(3,147,929	)	$	(2,389,291	)	$	(2,712,065	)	$	(2,552,293	)
Net loss	$	(4,346,638	)	$	(2,576,750	)	$	(3,035,704	)	$	(357,225	)
Loss Per Share (Basic and Diluted)	$	(0.05	)	$	(0.03	)	$	(0.03	)	$	(0.00	)