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Income Taxes | 12 Months Ended
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Dec. 31, 2013
Income Taxes [Abstract] |
Income Taxes | (5) Income Taxes Since inception, the Company has incurred losses from operations and as a result has not recorded income tax expense. Benefits related to net operating loss carryforwards and deferred items have been fully reserved since it was not more likely than not that the Company would achieve profitable operations. The Company applied for state research and development refundable credits for the years ended December 31, 2006 through 2009. In April 2012, the Company received $613,397 relating to these credits for the years 2006 through 2009, which is reflected as an income tax benefit in the accompanying statement of operations for the year ended December 31, 2012. The Company currently does not expect to collect additional credits for years subsequent to 2009. In addition, $61,340 is included in operating expenses on the accompanying statement of operations for the year ended December 31, 2012 relating to professional fees paid in connection with securing these refundable credits. The tax effects of temporary differences that give rise to significant portions of the deferred tax assets at December 31, 2013 and 2012 are presented below.
| 2013 |  | 2012
Deferred tax assets: |  |  |  |  |  |  |
Depreciation | $ | 104,000 |  |  | $ | 95,000 |
Allowance for bad debts |  | 70,000 |  |  |  | 37,000 |
Net operating loss carryforwards |  | 23,116,000 |  |  |  | 22,516,000 |
Stock option expense |  | 1,347,000 |  |  |  | 1,051,000 |
Research and other credits |  | 972,000 |  |  |  | 977,000 |
Other temporary differences |  | 15,000 |  |  |  | 15,000 |
Total gross deferred tax assets |  | 25,624,000 |  |  |  | 24,700,000 |
Less valuation allowance |  | (25,624,000 | ) |  |  | (24,700,000 | )
| $ | -- |  |  | $ | -- |
In assessing the realizability of deferred tax assets, the Company considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon future taxable income during the period in which those temporary differences become deductible. The Company considers the scheduled reversal of deferred tax liabilities, projected future taxable income, and tax planning strategies in making this assessment. Based upon its historical operating losses, utilization of deferred tax assets cannot currently be determined. Accordingly, the Company has recorded a full valuation allowance against the deferred tax assets, as they will not be realized until the Company achieves profitable operations in the future. At December 31, 2013, the Company had a net operating loss carryforward for federal income tax purposes of approximately $58,000,000, varying amounts of which will expire in each year from 2014 through 2033. Research and other credit carryforwards of approximately $972,000 are available to the Company to reduce income taxes payable in future years principally through 2033. Net operating loss carryforwards of approximately $3,227,000 and research and other credit carryforwards of approximately $84,000 are scheduled to expire during fiscal 2014, if not utilized.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: 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.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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