Quarterly report pursuant to Section 13 or 15(d)

9. FAIR VALUE MEASUREMENTS (Details-Significant Assumptions and Fair Value)

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9. FAIR VALUE MEASUREMENTS (Details-Significant Assumptions and Fair Value) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Significant assumptions used in the valuations    
Fair value (in dollars) $ 1,703 $ 1,986
Original Issuance 09/26/2012    
Significant assumptions used in the valuations    
Exercise price $ 8.85 $ 8.85
Volatility 38.70% 51.00%
Risk free interest rate 0.01% 0.19%
Term (years) 2 months 26 days 8 months 26 days
Discount for Marketability restrictions 27.50% 37.00%
Warrants Outstanding 432,000 473,000
Fair value (in dollars) $ 527 $ 748
Original issuance 7/3/2012    
Significant assumptions used in the valuations    
Exercise price $ 6.09 $ 6.09
Volatility 48.80% 56.10%
Risk free interest rate 0.64% 0.89%
Term (years) 2 years 4 days 2 years 6 months 4 days
Discount for Marketability restrictions 26.20% 32.80%
Warrants Outstanding 211,000 211,000
Fair value (in dollars) $ 795 $ 811
Original issuance 12/13/2011    
Significant assumptions used in the valuations    
Exercise price $ 8.43 $ 8.43
Volatility 49.40% 54.30%
Risk free interest rate 0.46% 0.67%
Term (years) 1 year 5 months 16 days 1 year 11 months 12 days
Discount for Marketability restrictions 23.00% 28.70%
Warrants Outstanding 138,000 138,000
Fair value (in dollars) $ 381 $ 427