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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2013
Income Taxes [Abstract] |
Schedule of Deferred Tax Assets | 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 | )
| $ | -- |  |  | $ | -- |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: 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 + Details
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