Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31, 2014			December 31, 2013
Deferred tax assets:
Net operating loss carryforward	$	23,246,809		$	18,454,164
Stock-based compensation		4,121,311			3,685,646
Stock Award Payable		--			40,792
Total deferred tax assets		27,368,120			22,180,602
Deferred tax liabilities:
Property and equipment		(673,241	)		(421,025	)
Less: valuation allowance		(26,694,879	)		(21,759,577	)
	$	--		$	--

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	December 31, 2014					December 31, 2013					December 31, 2012
Federal statutory rate	$	(3,610,711	)	35.0	%	$	(4,572,234	)	35.0	%	$	(3,406,340	)	35.0	%
State income taxes – Idaho		(11,016	)	0.1	%		(14,264	)	0.1	%		(37,982	)	0.4	%
State income taxes - Utah		(239,093	)	2.3	%		(199,166	)	1.5	%		(227,169	)	2.3	%
State and local income taxes - NY		(46,372	)	0.4	%		(58,721	)	0.5	%		--		--
Change in valuation allowance		4,935,302		(47.8	%)		5,034,877		(39.0%	)		3,903,777		(40.1%	)
Net nontaxable gain on derivative		(843,861	)	8.2	%		(290,623	)	2.2	%		(232,286	)	2.4	%
Miscellaneous		(184,249	)	1.8	%		100,131		(0.3%	)		-		--
	$	--		0	%	$	--		0	%	$	--		0	%