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

12 Months Ended

Dec. 31, 2016

Notes Tables

Quarterly Financial Information [Table Text Block]

2016 For Quarter Ended	December 31			September 30			June 30			March 31
Revenue	$	923,711		$	975,328		$	1,112,467		$	1,001,628
Operating loss	$	(1,017,490	)	$	(1,153,204	)	$	(1,097,913	)	$	(1,291,713	)
Net (loss)	$	(2,106,846	)	$	(1,810,425	)	$	(3,185,359	)	$	(537,142	)
(Loss) Per Share (Basic and Diluted)	$	(0.02	)	$	(0.02	)	$	(0.03	)	$	(0.01	)

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	)