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Note 8 - Earnings Per Share (EPS) (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months ended June 30,								Six Months ended June 30,
		2017				2016				2017				2016
Basic Numerator:
Net loss		$	(1,789,329	)		$	(1,375,489	)		$	(3,145,516	)		$	(2,538,703	)
Convertible preferred stock dividends			(200,625	)			(200,625	)			(401,250	)			(401,250	)
Net loss available to common stockholders		$	(1,989,954	)		$	(1,576,114	)		$	(3,546,766	)		$	(2,939,953	)
Basic Denominator			6,359,974				5,523,072				6,228,197				5,516,726
Per Share Amount		$	(0.32	)		$	(0.29	)		$	(0.57	)		$	(0.53	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		Three Months ended June 30,								Six Months ended June 30,
		2017				2016				2017				2016
Preferred stock			5,416,667				5,416,667				5,416,667				5,416,667
Stock options			35,706				13,040				44,580				3,495
Warrants			3,004				-				3,336				-
Total			5,455,377				5,429,707				5,464,583				5,420,162

		Three Months ended June 30,								Six Months ended June 30,
		2017				2016				2017				2016
Stock options			218,761				215,000				218,761				229,583
Warrants			1,212,163				1,704,629				1,212,163				1,704,629
Total			1,430,924				1,919,629				1,430,924				1,934,212

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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