XML 20 R19.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Other Income
 12 Months Ended
Dec. 31, 2010
Other Income [Abstract]  
Other Income
12. Other Income
                         
    Years Ended December 31,  
    2008     2009     2010  
    $     $     $  
Gain from sales of marketable securities
    405,781       3,436,713       —  
Unrealized gains on marketable securities
    —       —       679,626  
Government subsidies (Note 2 (w))
    1,247,468       4,759,411       4,080,900  
Reimbursement income from depository agent
    778,196       626,888       542,056  
Gain (loss) from sales of properties held for sale (Note 3)
    —       (121,639 )     1,348,003  
Gain from bargain purchase
    —       —       392,524  
Foreign exchange gain (loss) (Note 2 (v))
    (460,964 )     78,997       (1,453,940 )
 
                 
 
                       
Total other income
    1,970,481       8,780,370       5,589,169