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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2015

Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share

The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share:

		Three Months Ended								Nine Months Ended
		September 30, 2015				September 30, 2014				September 30, 2015				September 30, 2014
Net income (loss)		$	(4,580,255	)		$	(7,415,124	)		$	(20,420,945	)		$	(21,229,763	)
Numerator, basic and diluted net income (loss) available to stockholders		$	(4,580,255	)		$	(7,415,124	)		$	(20,420,945	)		$	(21,229,763	)
Denominator:
Shares used in computation – basic:
Weighted average common shares outstanding			89,781,577				85,271,429				88,655,418				84,707,367
Common shares outstanding for basic			89,781,577				85,271,429				88,655,418				84,707,367
Shares used in computation – diluted:
Common shares outstanding for basic			89,781,577				85,271,429				88,655,418				84,707,367
Shares used in computing diluted net income per share			89,781,577				85,271,429				88,655,418				84,707,367
Net (loss) per share – basic		$	(0.05	)		$	(0.09	)		$	(0.23	)		$	(0.25	)
Net (loss) per share – diluted		$	(0.05	)		$	(0.09	)		$	(0.23	)		$	(0.25	)

Convertible Preferred Stock Excluded from EPS [Member]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Potential common shares from outstanding Convertible Preferred Stock calculated on an if-converted basis having an anti-dilutive effect on diluted earnings per share were excluded from potential common shares as follows:

Three Months Ended

Nine Months Ended

September 30, 2015

September 30, 2014

September 30, 2015

September 30, 2014

Potential common shares from Convertible Preferred Stock excluded from EPS

—

32,400

—

32,400

Unvested Restricted Stock Awards Excluded from EPS [Member]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The weighted average equivalent common shares relating to our unvested restricted stock awards that were excluded from potential common shares in the earning per share calculation due to having an anti-dilutive effect are:

Three Months Ended

Nine Months Ended

September 30, 2015

September 30, 2014

September 30, 2015

September 30, 2014

Potential common shares from unvested restricted stock awards excluded from EPS

1,526,635

630,489

1,526,635

630,489

In the Money Potential Common Shares [Member]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The potential common shares in the following tables represent potential common shares calculated using the treasury stock method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS:

		Three Months Ended								Nine Months Ended
		September 30, 2015				September 30, 2014				September 30, 2015				September 30, 2014
Average market price during the period		$	0.37			$	1.22			$	0.58			$	1.69
In the money potential common shares from options excluded			—				—				—				—
In the money potential common shares from warrants excluded			—				—				—				—

Out of Money Potential Common Shares [Member]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Potential common shares from out-of-the-money options and warrants were also excluded from the computation of diluted EPS because calculation of the associated potential common shares has an anti-dilutive effect on EPS. The following table lists options and warrants that were excluded from diluted EPS:

		Three Months Ended								Nine Months Ended
		September 30, 2015				September 30, 2014				September 30, 2015				September 30, 2014
Out of the money options and warrants excluded:
Stock options with an exercise price of $1.04 per share			1,652,000				—				1,652,000				—
Stock options with an exercise price of $1.07 per share			50,000				—				50,000				—
Stock options with an exercise price of $1.74 per share			—				51,750				—				51,750
Stock options with an exercise price of $2.20 per share			952,444				969,610				952,444				969,610
Stock options with an exercise price of $2.73 per share			644,469				644,469				644,469				644,469
Stock options with an exercise price of $2.74 per share			609,399				633,835				609,399				633,835
Stock options with an exercise price of $2.89 per share			944,482				983,822				944,482				983,822
Stock options with an exercise price of $3.25 per share			100,000				100,000				100,000				100,000
Stock options with an exercise price of $3.40 per share			—				100,000				—				100,000
Stock options with an exercise price of $3.43 per share			40,000				40,000				40,000				40,000
Stock options with an exercise price of $3.50 per share			100,000				100,000				100,000				100,000
Stock options with an exercise price of $3.90 per share			20,000				20,000				20,000				20,000
Warrants with an exercise price of $3.60 per share			1,562,500				1,562,500				1,562,500				1,562,500
Total anti-dilutive warrants and options excluded from EPS			6,675,294				5,205,986				6,675,294				5,205,986

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)



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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



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