Annual report pursuant to section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investment measured at fair value on a recurring basis (Details)

v2.4.0.6
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investment measured at fair value on a recurring basis (Details) (USD $)
Dec. 31, 2012
Fair Value Measurements Using Quoted Prices in Active Markets (Level 1)
 
Marketable securities - available for sale, net of discount for effect of restriction   
Fair Value Measurements Using Significant Other Observable Inputs (Level 2)
 
Marketable securities - available for sale, net of discount for effect of restriction   
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
 
Marketable securities - available for sale, net of discount for effect of restriction $ 12,500