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Stock-Based Compensation | 6 Months Ended
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Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation | Stock-Based Compensation We maintain a stock-based compensation program intended to attract, retain and provide incentives for talented employees and directors and align stockholder and employee interests. Currently, we grant options and restricted stock awards ("RSAs") from the 2005 Long-Term Incentive Plan ("2005 LTIP") and the 2010 Equity Compensation Plan (“2010 ECP”). For the three and six months ended June 30, 2013, stock-based compensation expense was $110,420 and $300,413. For the three and six months ended June 30, 2012, stock-based compensation expense was $191,445 and $386,864, respectively. The total compensation cost at June 30, 2013 related to non-vested awards not yet recognized was approximately $342,836 to be recognized over a weighted-average recognition period of 0.72 years. During the first quarter of 2013, we granted to certain employees a total of 100,000 RSAs with a weighted average fair value of $0.72 per share. These shares vest ratably over three years. During the second quarter of 2013, we granted members of our board of directors a total of 80,000 RSAs with a weighted average fair value of $0.77 per share which vest on December 31, 2013. On March 31, 2013, some of our employees voluntarily canceled certain outstanding stock options for no consideration. As a result, 805,134 shares were canceled and returned to 2005 LTIP and 2010 ECP plans. The cancellation of these options resulted in the recognition of $49,577 in additional stock-based compensation expense, which represented the fair value of the canceled options that had not yet been recognized as of the date of cancellation. As a result of the changes noted previously, the following table summarizes our 2005 LTIP and 2010 ECP plans as of June 30, 2013:
| Options Outstanding |  | RSAs Outstanding |  | Awards Exercised |  | Available Shares |  | Authorized Shares
2010 ECP | 276,998 |  |  | 46,095 |  |  | 1,035,000 |  |  | 2,177,852 |  |  | 3,535,945 |
2005 LTIP | 33,748 |  |  | 187,730 |  |  | 246,779 |  |  | 531,743 |  |  | 1,000,000 |
Total | 310,746 |  |  | 233,825 |  |  | 1,281,779 |  |  | 2,709,595 |  |  | 4,535,945 |
We also have 168,455 options outstanding under a separate plan which is not authorized to issue any additional shares.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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