Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2013

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, 2013			September 30, 2012		September 30, 2013			September 30, 2012
Net income (loss)	$	(931,393	)	$	3,802,983	$	(21,492,748	)	$	(17,269,166	)
Cumulative dividends on Series G Preferred Stock		—			—		—			(10,000	)

Numerator, basic and diluted net income (loss) available to stockholders	$	(931,393	)	$	3,802,983	$	(21,492,748	)	$	(17,279,166	)


Denominator:
Shares used in computation – basic:
Weighted average common shares outstanding		80,252,203			74,087,794		78,991,192			73,498,034
Additional shares from participating securities per the two-class method		—			4,456,597		—			—

Common shares outstanding for basic		80,252,203			78,544,391		78,991,192			73,498,034

Shares used in computation – diluted:
Common shares outstanding for basic		80,252,203			78,544,391		78,991,192			73,498,034
Dilutive effect of potential common shares outstanding		—			2,896,457		—			—

Shares used in computing diluted net income per share		80,252,203			81,440,848		78,991,192			73,498,034


Net income (loss) per share – basic	$	(0.01	)	$	0.05	$	(0.27	)	$	(0.24	)
Net income (loss) per share – diluted	$	(0.01	)	$	0.05	$	(0.27	)	$	(0.24	)

In 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, 2013		September 30, 2012		September 30, 2013		September 30, 2012
Average market price during the period	$	3.28	$	3.72	$	3.18	$	3.32

In the money potential common shares from options excluded		360,340		—		297,197		321,755
In the money potential common shares from warrants excluded		576,218		—		523,586		1,270,508

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, 2013		September 30, 2012		September 30, 2013		September 30, 2012

Out of the money options and warrants excluded:
Stock options with an exercise price of $3.25 per share		—		—		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		—
Stock options with an exercise price of $3.50 per share		345,000		—		345,000		245,000
Stock options with an exercise price of $3.51 per share		959,500		—		959,500		984,670
Stock options with an exercise price of $3.53 per share		191,700		—		191,700		204,500
Stock options with an exercise price of $3.90 per share		20,000		20,000		20,000		20,000
Stock options with an exercise price of $4.00 per share		52,500		52,500		52,500		52,500
Stock options with an exercise price of $5.00 per share		100,000		300,000		100,000		300,000
Stock options with an exercise price of $7.00 per share		100,000		100,000		100,000		100,000
Warrants with an exercise price of $3.60 per share		1,562,500		—		1,562,500		1,562,500
Warrants with an exercise price of $5.25 per share		—		100,000		—		100,000

Total anti-dilutive warrants and options excluded from EPS		3,471,200		572,500		3,571,200		3,569,170

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,
2013

September 30,
2012

September 30,
2013

September 30,
2012

Potential common shares from Convertible Preferred Stock excluded from EPS

32,400

—

32,400

206,400

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,
2013

September 30,
2012

September 30,
2013

September 30,
2012

Potential common shares from unvested restricted stock awards excluded from EPS

441,495

—

434,066

464,554