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10. Stockholders' Equity (Details Narrative) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Stock-based compensation for employees | $ 132,000 | $ 185,000
Aggregate intrinsic value of options exercised | 6,000 |
Weighted average grant-date fair value per share price | $ 0.18 | $ 0.15
Unamortized compensation expense | 150,000 |
Unamortized compensation expense remaining service period | 2 years 3 months 22 days |
Common stock issued upon restricted stock vested | 326,000 |
Common stock issued upon warrants exercised | 798,000 |
Warrants issued in connection with private placement | 3,600,000 |
Fair value of warrants issued | $ 1,379,000 |
2004 Plan [Member] |  |
Options outstanding | 773,000 |
2010 Plan [Member] |  |
Options outstanding | 1,891,000 |

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- Definition Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28183637&loc=d3e4724-112606 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Warrant -URI http://asc.fasb.org/extlink&oid=6528364 + Details
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