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Stockholders' Equity/(Deficit) | 12 Months Ended
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Dec. 31, 2013
Equity [Abstract] |
Stockholders' Equity/(Deficit) | NOTE R – STOCKHOLDERS’ EQUITY/(DEFICIT) Common Stock In 2013, we issued 3,552,357 shares of common stock, valued at $9,279,887, representing payment for principal and interest on our Initial Note and Additional Note as described in NOTE L During the three-month period ended December 31, 2013, we issued 1,725,000 shares of common stock to five accredited investors upon conversion of 1,725,000 outstanding warrants associated with the Series G Convertible Preferred Stock. During the three-month period ended March 31, 2013, we issued 2,010,500 shares of common stock to accredited investors upon exercise of their outstanding warrants. During 2012, we issued 1,441,013 shares of common stock, valued at $4,262,528, representing payment for principal and interest on our Initial Note and Additional Note as described in NOTE L. During the three-month period ended September 30, 2012, we issued 287,500 shares of common stock to four accredited investors upon exercise of 287,500 outstanding warrants. We also issued 140,000 shares of common stock for the conversion of 1 share of Series G Convertible Preferred Stock and 8,900 shares of common stock upon the exercise of stock options from the employee stock incentive plan. Convertible Preferred Stock We have 32,400 shares of Series D Convertible Preferred Stock issued and outstanding. Series D is convertible into common stock at a ratio of 1 to 1. The liquidation preference for Series D is $3.50 per share of common stock into which the Series D could then be converted. There are no other rights attached to these convertible instruments. Stock-Based Compensation We have one active stock incentive plan, the 2005 Stock Incentive Plan. The 1997 Stock Incentive Plan expired on August 17, 2007. As of that date, options could no longer be granted from that Plan but any granted and unexercised options continued to exist until exercised or they expired. As of December 31, 2013 all outstanding options in the 1997 Stock Incentive Plan have expired. The 2005 Stock Incentive Plan provides for the grant of incentive stock options, non-qualified stock options, restricted stock awards, restricted stock units and stock appreciation rights. We initially reserved 2,500,000 of our authorized but unissued shares of common stock for issuance under the Plan, and, at the time the Plan was adopted, not more than 500,000 of these shares could be used for restricted stock awards and restricted stock units. On January 16, 2008, the Board of Directors approved amendments to the Plan to add 2,500,000 shares of common stock to the Plan, to allow any number of shares to be used for restricted stock awards, to clarify certain other provisions in the Plan and to submit the amended Plan for stockholder approval. The amended Plan was approved at the annual meeting of stockholders on May 7, 2008. On June 3, 2010, the shareholders’ approved an amendment to the 2005 Stock Incentive Plan which resulted in the addition of 3,000,000 shares of common stock to the Plan. Any incentive option and non-qualified option granted under the Plan must provide for an exercise price of not less than the fair market value of the underlying shares on the date of grant, but the exercise price of any incentive option granted to an officer, director or eligible employee owning more than 10% of our outstanding common stock must not be less than 110% of fair market value on the date of the grant. Share-based compensation expense recognized during the period is based on the value of the portion of share-based payment awards that is ultimately expected to vest. As share-based compensation expense recognized in the statement of operations is based on awards ultimately expected to vest, it can be reduced for estimated forfeitures. The ASC topic Stock Compensation requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. The share based compensation charged against income for the periods ended December 31, 2013, 2012 and 2011 was $2,582,009, $1,657,800 and $1,796,628, respectively. The weighted average estimated fair value of stock options granted during the fiscal years ended December 31, 2013, 2012 and 2011 were $1.42, $1.45 and $2.74, respectively. These amounts were determined using the Black-Scholes option-pricing model, which values options based on the stock price at the grant date, the expected life of the option, the estimated volatility of the stock, the expected dividend payments, and the risk-free interest rate over the life of the option. The assumptions used in the Black-Scholes model were as follows for stock options granted in the years ended December 31, 2013, 2012 and 2011:
|  | 2013 |  | 2012 |  | 2011
Risk-free interest rate |  | .41-1.28% |  | .39-.67% |  | 1.51-1.89%
Expected volatility of common stock |  | 59.2-68.2% |  | 65.3-71.6% |  | 69.0-70.0%
Dividend yield |  | 0% |  | 0% |  | 0%
Expected life of options |  | 3.0-4.1 years |  | 3.0-4.1 years |  | 3.0-4.1 years
The Black-Scholes option valuation model was developed for estimating the fair value of traded options that have no vesting restrictions and are fully transferable. Because option valuation models require the use of subjective assumptions, changes in these assumptions can materially affect the fair value of the options. Our options do not have the characteristics of traded options; therefore, the option valuation models do not necessarily provide a reliable measure of the fair value of our options. Additional information with respect to both plans stock option activity is as follows:
|  | Number of Shares |  |  | Weighted Average Exercise Price |
Outstanding at December 31, 2010 |  |  | 3,537,236 |  |  | $ | 3.78 |
Granted |  |  | 633,835 |  |  | $ | 2.74 |
Exercised |  |  | — |  |  | $ | — |
Cancelled |  |  | (771,666 | ) |  | $ | 3.50 |
Outstanding at December 31, 2011 |  |  | 3,399,405 |  |  | $ | 3.78 |
Granted |  |  | 771,969 |  |  | $ | 2.85 |
Exercised |  |  | (15,150 | ) |  | $ | 2.61 |
Cancelled |  |  | (736,070 | ) |  | $ | 4.42 |
Outstanding at December 31, 2012 |  |  | 3,420,154 |  |  | $ | 3.31 |
Granted |  |  | 1,233,822 |  |  | $ | 2.99 |
Exercised |  |  | (204,500 | ) |  | $ | 2.24 |
Cancelled |  |  | (1,453,600 | ) |  | $ | 3.61 |
Outstanding at December 31, 2013 |  |  | 2,995,876 |  |  | $ | 3.31 |
Options exercisable at December 31, 2011 |  |  | 2,926,930 |  |  | $ | 3.79 |
Options exercisable at December 31, 2012 |  |  | 2,754,227 |  |  | $ | 3.44 |
Options exercisable at December 31, 2013 |  |  | 2,118,903 |  |  | $ | 2.94 |
The aggregate intrinsic values of options exercisable for the fiscal years ended December 31, 2013, 2012 and 2011 were $16,450, $371,142 and $133,750, respectively. The aggregate intrinsic values of options outstanding for the fiscal years ended December 31, 2013, 2012 and 2011 were $16,450, $524,500 and $169,500, respectively. The aggregate intrinsic values of options exercised during the fiscal years ended December 31, 2013, 2012 and 2011 are $183,000, $14,475 and $0, respectively, determined as of the date of the option exercise. Aggregate intrinsic value represents the positive difference between our closing stock price at the end of a respective period and the exercise price multiplied by the number of relative options. The total fair value of shares vested during the fiscal years ended December 31, 2013, 2012 and 2011 was $1,498,040, $832,177 and $1,145,112, respectively. As of December 31, 2013, there was $1,203,599 of total unrecognized compensation cost related to unvested share-based compensation awards granted to employees under the option plans. That cost is expected to be recognized over a weighted-average period of 1.83 years. The following table summarizes information about stock options outstanding at December 31, 2013: Stock Options Outstanding
Range of Exercise Prices |  | Number of Shares Outstanding |  |  | Weighted Average Remaining Contractual Life in Years |  |  | Weighted Average Exercise Price |
$1.74 – $2.74 |  |  | 1,344,554 |  |  |  | 2.5 |  |  | $ | 2.69 |
$2.89 – $4.00 |  |  | 1,651,322 |  |  |  | 3.33 |  |  | $ | 3.13 |
|  |  | 2,995,876 |  |  |  | 2.94 |  |  | $ | 2.93 |
The estimated fair value of each restricted stock award is calculated using the share price at the date of the grant. A summary of the status of the restricted stock awards as of December 31, 2013 and changes during the year ended December 31, 2013 is presented as follows:
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested at December 31, 2012 |  |  | 178,807 |  |  | $ | 2.73 |
Granted |  |  | 411,383 |  |  | $ | 2.89 |
Vested |  |  | (402,065 | ) |  | $ | 2.81 |
Cancelled |  |  | — |  |  | $ | — |
Unvested at December 31, 2013 |  |  | 188,125 |  |  | $ | 2.89 |
The fair value of restricted stock awards vested during the years ended December 31 2013, 2012 and 2011 was $854,861, $1,286,257 and $1,329,573, respectively. The fair value of unvested restricted stock awards remaining at the periods ended December 31, 2013, 2012 and 2011 is $380,013, $514,964 and $300,139, respectively. The weighted-average grant date fair value of restricted stock awards granted during the periods ended December 31, 2013, 2012 and 2011 were $2.89, $3.91 and $2.67, respectively. The weighted-average remaining contractual term of these restricted stock awards at the periods ended December 31, 2013, 2012 and 2011 are 1.2, 1.0 and 1.0 years, respectively. As of December 31, 2013, there was a total of $525,401 unrecognized compensation cost related to unvested restricted stock awards. The following table summarizes our common stock warrants outstanding at December 31, 2013:
Common Stock Warrants |  | Exercise Price |  | Termination Date
525,000 |  | $2.44 |  | 4/13/2014
1,562,500 |  | $3.60 |  | 11/9/2016
2,087,500 |  |  |  |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 17: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 18: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 19: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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