|
Income Taxes (Details) (USD $)
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Income Taxes [Abstract] |
|
|
|
| Income tax benefit |
|
$ 613,397 |
|
| Professional fees |
|
61,340 |
|
| 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) |
|
| Deferred Tax Assets, Net of Valuation Allowance |
|
|
|
| Operating Loss Carryforwards [Line Items] |
|
|
|
| Net operating loss carryforward |
58,000,000 |
|
|
| Research and other credit carryforwards |
972,000 |
|
|
| Research and other credit carryforwards expiration dates |
Dec. 31,
2033 |
|
|
|
Tax Year 2014 [Member]
|
|
|
|
| Operating Loss Carryforwards [Line Items] |
|
|
|
| Net operating loss carryforward |
3,227,000 |
|
|
| Net operating loss carryforward expiration dates |
Dec. 31,
2014 |
|
|
| Research and other credit carryforwards |
$ 84,000 |
|
|
| Research and other credit carryforwards expiration dates |
Dec. 31,
2014 |
|
|
|
Minimum [Member]
|
|
|
|
| Operating Loss Carryforwards [Line Items] |
|
|
|
| Net operating loss carryforward expiration dates |
Jan.
01,
2014 |
|
|
|
Maximum [Member]
|
|
|
|
| Operating Loss Carryforwards [Line Items] |
|
|
|
| Net operating loss carryforward expiration dates |
Dec. 31,
2033 |
|
|