Annual report pursuant to Section 13 and 15(d)

16. FAIR VALUE MEASUREMENTS (Details 2)

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16. FAIR VALUE MEASUREMENTS (Details 2) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of carried value    $ 3,100,000
FairValueInputsLevel3Member
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Balance at beginning of year   2,774,016
Impairment of carried value   (3,100,000)
Balance at end of period   $ 2,774,016