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Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

		December 31,
Deferred Tax Assets		2015				2014
Net operating loss carryforwards		$	25,165,014			$	23,030,884
Stock option compensation			6,937,512				6,083,848
Other			—				26,783
Valuation allowance			(32,102,526	)			(29,141,515	)
Net deferred tax asset		$	—			$	—
Deferred Tax Liabilities
Intangible assets		$	(2,274,526	)		$	(2,274,526	)

Summary of Operating Loss Carryforwards [Table Text Block]

		December 31,
		2015				2014
Combined NOL Carryforwards:
Federal		$	63,013,194			$	57,521,560
State			54,131,507				50,440,965

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

		2015								2014
Rate reconciliation:
Federal tax benefit at statutory rate		$	(8,337,236	)			(35.0	%)		$	(6,009,398	)			(35.0	%)
State tax, net of Federal benefit			(1,368,216	)			(5.7	%)			(986,051	)			(5.7	%)
Change in valuation allowance			2,961,011				12.4	%			2,866,582				10.9	%
Goodwill impairment			4,510,986				18.9	%			—				—
Other			2,233,455				9.4	%			1,311,983				13.4	%
Total provision		$	—				0.0	%		$	(2,816,884	)			(16.4	%)

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- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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