Quarterly report pursuant to Section 13 or 15(d)

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

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8. FAIR VALUE MEASUREMENTS (Details-Significant Assumptions and Fair Value) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Significant assumptions used in the valuations    
Warrants Outstanding 4,097,100 8,241,000
Fair value (in dollars) $ 22,763,400 $ 8,215,000
Original Issuance 06/21/2013
    
Significant assumptions used in the valuations    
Exercise price $ 7.59 $ 7.59
Volatility 52.60% 52.40%
Risk free interest rate 0.11% 0.13%
Term (years) 11 months 26 days 1 year 2 months 26 days
Discount for Marketability restrictions 20.60% 22.70%
Warrants Outstanding 1,051,200 1,051,000
Fair value (in dollars) 6,636,500 660,000
Original Issuance 03/28/2013
    
Significant assumptions used in the valuations    
Exercise price $ 7.59 $ 7.59
Volatility 55.10% 52.40%
Risk free interest rate 0.09% 0.13%
Term (years) 8 months 12 days 1 year 2 months 12 days
Discount for Marketability restrictions 18.70% 22.70%
Warrants Outstanding 295,700 788,000
Fair value (in dollars) 1,891,800 495,000
Original issuance 9/26/2012
    
Significant assumptions used in the valuations    
Exercise price $ 8.85 $ 8.85
Volatility 52.00% 58.50%
Risk free interest rate 0.11% 0.38%
Term (years) 1 year 2 months 26 days 1 year 8 months 26 days
Discount for Marketability restrictions 38.70% 42.30%
Warrants Outstanding 1,637,500 1,771,000
Fair value (in dollars) 7,078,200 702,000
Original issuance 7/3/2012
    
Significant assumptions used in the valuations    
Exercise price $ 6.09 $ 6.09
Volatility 56.30% 61.20%
Risk free interest rate 0.88% 1.27%
Term (years) 3 years 4 days 3 years 6 months 4 days
Discount for Marketability restrictions 35.70% 40.20%
Warrants Outstanding 831,200 1,812,000
Fair value (in dollars) 5,515,000 3,008,000
Original issuance 12/13/2011
    
Significant assumptions used in the valuations    
Exercise price $ 8.43 $ 8.43
Volatility 54.30% 60.40%
Risk free interest rate 0.68% 0.78%
Term (years) 2 years 5 months 16 days 2 years 11 months 12 days
Discount for Marketability restrictions 31.80% 37.90%
Warrants Outstanding 281,500 306,000
Fair value (in dollars) 1,641,900 455,000
Original issuance 1/11/2013
    
Significant assumptions used in the valuations    
Exercise price   $ 6.32
Volatility   63.30%
Risk free interest rate   1.27%
Term (years)   4 years 11 days
Discount for Marketability restrictions   43.80%
Warrants Outstanding   1,709,000
Fair value (in dollars)   2,892,000
Original issuance 7/3/2012 (2nd one)
    
Significant assumptions used in the valuations    
Exercise price   $ 5.47
Volatility   52.80%
Risk free interest rate   0.01%
Term (years)   4 days
Discount for Marketability restrictions   42.30%
Warrants Outstanding   804,000
Fair value (in dollars)   $ 3,000