Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 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:


	12 Month Period Ended December 31, 2013			12 Month Period Ended December 31, 2012			12 Month Period Ended December 31, 2011
Net loss	$	(10,741,272	)	$	(18,184,113	)	$	(16,225,308	)
Accretion of Series G Preferred Stock		—			—			(1,987,977	)
Cumulative dividends on Series G Preferred Stock		—			(10,000	)		(409,035	)
Fair market value of warrants issued to Series G Preferred Stock stockholders		—			—			(906,150	)
Undeclared cumulative dividends on Series G Preferred Stock in arrears		—			—			(5,000	)

Numerator, basic and diluted net loss available to stockholders	$	(10,741,272	)	$	(18,194,113	)	$	(19,533,470	)

Denominator:
Shares used in computation – basic:
Weighted average common shares outstanding		80,128,827			73,889,112			70,179,935

Shares used in computation – diluted:
Weighted average common shares outstanding		80,128,827			73,889,112			70,179,935
Dilutive effect of options, warrants and convertible instruments outstanding		—			—			—

Shares used in computing diluted net loss per share		80,128,827			73,889,112			70,179,935

Net loss per share – basic and diluted	$	(0.13	)	$	(0.25	)	$	(0.28	)

In the Money Potential Common Shares [Member]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

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


	2013		2012		2011
Average market price during the period	$	2.96	$	3.20	$	2.98
In the money potential common shares from options excluded		146,162		275,101		129,793
In the money potential common shares from warrants excluded		92,363		1,129,973		959,521

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 per the if-converted basis having an anti-dilutive effect on diluted earnings per share were excluded from potential common shares as follows:


	2013		2012		2011
Potential common shares from Preferred Stock excluded from computation of diluted earnings per share		32,400		206,400		346,400

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 used in the earning per share calculation due to having an anti-dilutive effect are:


	2013		2012		2011
Excluded unvested restricted stock awards		152,026		177,830		90,033

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 earnings per share because calculation of the associated potential common shares has an anti-dilutive effect. The following table lists options and warrants that were excluded from diluted EPS.


	2013		2012		2011
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 $3.30 per share		—		100,000		—
Stock Options with an exercise price of $3.40 per share		100,000		—		—
Stock Options with an exercise price of $3.43 per share		40,000		—		—
Stock Options with an exercise price of $3.50 per share		345,000		245,000		495,000
Stock Options with an exercise price of $3.51 per share		—		959,500		984,670
Stock Options with an exercise price of $3.53 per share		—		194,100		211,900
Stock Options with an exercise price of $3.90 per share		20,000		20,000		—
Stock Options with an exercise price of $4.00 per share		52,500		52,500		52,500
Stock Options with an exercise price of $5.00 per share		—		200,000		650,000
Stock Options with an exercise price of $7.00 per share		—		100,000		100,000
Warrants with an exercise price of $3.60 per share		1,562,500		1,562,500		—
Warrants with an exercise price of $4.32 per share		—		—		1,302,083
Warrants with an exercise price of $5.25 per share		—		100,000		100,000

Total anti-dilutive warrants and options excluded from EPS		2,220,600		3,533,600		3,896,153