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12. FAIR VALUE MEASUREMENTS (Details-Fair Value Warrants) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Fair value | $ 8,215 | $ 4,892
Issued 6/21/2013 |  |
Exercise price | $ 7.59 |
Volatility | 52.40% |
Risk free interest rate | 0.13% |
Term (years) | 1 year 5 months 27 days |
Discount for Marketability restrictions | 22.70% |
Warrants Outstanding | 1,051,200 |
Fair value | 660 |
Issued 3/28/2013 |  |
Exercise price | $ 7.59 |
Volatility | 52.40% |
Risk free interest rate | 0.13% |
Term (years) | 1 year 5 months 27 days |
Discount for Marketability restrictions | 22.70% |
Warrants Outstanding | 788,400 |
Fair value | 495 |
Issued 1/11/2013 |  |
Exercise price | $ 6.32 |
Volatility | 63.30% |
Risk free interest rate | 1.27% |
Term (years) | 4 years 3 months 11 days |
Discount for Marketability restrictions | 43.80% |
Warrants Outstanding | 1,709,000 |
Fair value | 2,892 |
Issued 9/26/2012 |  |
Exercise price | $ 8.85 | $ 8.85
Volatility | 58.50% | 70.20%
Risk free interest rate | 0.38% | 0.36%
Term (years) | 1 year 11 months 27 days | 2 years 8 months 26 days
Discount for Marketability restrictions | 42.30% | 53.90%
Warrants Outstanding | 1,771,000 | 1,833,000
Fair value | 702 | 1,112
Issued 7/3/2012 |  |
Exercise price | $ 6.09 | $ 7.50
Volatility | 61.20% | 76.10%
Risk free interest rate | 1.27% | 0.72%
Term (years) | 3 years 6 months 4 days | 4 years 6 months 4 days
Discount for Marketability restrictions | 40.20% | 55.50%
Warrants Outstanding | 1,812,000 | 1,867,000
Fair value | 3,008 | 2,756
Issued 7/3/2012 |  |
Exercise price | $ 5.47 | $ 6.45
Volatility | 52.80% | 69.30%
Risk free interest rate | 0.01% | 0.16%
Term (years) | 4 days | 1 year 4 days
Discount for Marketability restrictions | 42.30% | 55.50%
Warrants Outstanding | 804,000 | 930,000
Fair value | 3 | 509
Issued 12/13/2011 |  |
Exercise price | $ 8.43 | $ 12.45
Volatility | 60.40% | 74.40%
Risk free interest rate | 0.78% | 0.54%
Term (years) | 2 years 11 months 12 days | 3 years 11 months 12 days
Discount for Marketability restrictions | 37.90% | 52.30%
Warrants Outstanding | 306,000 | 330,000
Fair value | 455 | 480
Issued 10/6/2010 |  |
Exercise price |  | $ 1.80
Volatility |  | 76.00%
Risk free interest rate |  | 0.72%
Term (years) |  | 4 years 9 months 18 days
Discount for Marketability restrictions |  | 46.40%
Warrants Outstanding |  | 17,000
Fair value |  | $ 35

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- Definition Fair Value Assumptions Marketability Discount. + References No definition available. + Details
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- Definition Number of warrants or rights outstanding. + References Reference 1: 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.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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- Definition Agreed upon price for the exchange of the underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References Reference 1: 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.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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