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Segment information
 6 Months Ended
Jun. 30, 2011
Segment information
5. Segment information

The Company considers its (i) operations to supply water to retail customers, (ii) operations to supply water to bulk customers, and (iii) providing of engineering, management and construction services, as separate business segments. Financial information for each of these segments is as follows:
 
   
Three Months Ended June 30, 2011
  
   
Retail
    
Bulk
    
Services
    
Total
  
Revenues
   $ 6,554,876     $ 7,774,643     $ 506,353     $ 14,835,872  
Cost of revenues
     3,072,727       6,330,567       181,373       9,584,667  
Gross profit
     3,482,149       1,444,076       324,980       5,251,205  
General and administrative expenses
     2,235,113       289,583       656,183       3,180,879  
Income (loss) from operations
     1,247,036       1,154,493       (331,203 )     2,070,326  
Other income (expense), net
                             136,950  
Consolidated net income
                             2,207,276  
Income attributable to non-controlling interests
                             277,614  
Net income attributable to Consolidated Water Co. Ltd. stockholders
                           $ 1,929,662  
 
   
As of and for the Six Months Ended June 30, 2011
  
   
Retail
    
Bulk
    
Services
    
Total
  
Revenues
   $ 12,928,391     $ 14,941,480     $ 872,621     $ 28,742,492  
Cost of revenues
     5,953,601       11,932,934       354,196       18,240,731  
Gross profit
     6,974,790       3,008,546       518,425       10,501,761  
General and administrative expenses
     4,482,533       672,693       1,818,068       6,973,294  
Income (loss) from operations
     2,492,257       2,335,853       (1,299,643 )     3,528,467  
Other income (expense), net
                             741,682  
Consolidated net income
                             4,270,149  
Income attributable to non-controlling interests
                             347,477  
Net income attributable to Consolidated Water Co. Ltd. stockholders
                           $ 3,922,672  
 
As of June 30, 2011:
                        
Property plant and equipment, net
   $ 25,828,890     $ 26,528,320     $ 1,025,585     $ 53,382,795  
Construction in progress
     242,686       2,010,168       -       2,252,854  
Goodwill
     1,170,511       2,328,526       88,717       3,587,754  
Total assets
     73,981,242       75,008,585       4,808,525       153,798,352  
 
   
Three Months Ended June 30, 2010
  
   
Retail
    
Bulk
    
Services
    
Total
  
Revenues
   $ 6,039,827     $ 6,196,278     $ 463,380     $ 12,699,485  
Cost of revenues
     2,653,139       5,031,068       783,976       8,468,183  
Gross profit
     3,386,688       1,165,210       (320,596 )     4,231,302  
General and administrative expenses
     2,369,674       291,832       544,022       3,205,528  
Income (loss) from operations
     1,017,014       873,378       (864,618 )     1,025,774  
Other income (expense), net
                             67,606  
Consolidated net income                             1,093,380  
Income attributable to non-controlling interests                             60,305  
Net income attributable to Consolidated Water Co. Ltd. stockholders
                           $ 1,033,075  
 
   
As of and for the Six Months Ended June 30, 2010
  
   
Retail
    
Bulk
    
Services
     Total  
Revenues
   $ 12,425,233     $ 12,454,220     $ 2,497,344     $ 27,376,797  
Cost of revenues
     5,506,724       9,928,430       2,224,091       17,659,245  
Gross profit
     6,918,509       2,525,790       273,253       9,717,552  
General and administrative expenses
     4,533,359       579,500       574,203       5,687,062  
Income (loss) from operations
     2,385,150       1,946,290       (300,950 )     4,030,490  
Other income (expense), net
                             245,012  
Consolidated net income
                             4,275,502  
Income attributable to non-controlling interests
                             165,491  
Net income attributable to Consolidated Water Co. Ltd. stockholders
                           $ 4,110,011  
 
As of June 30, 2010:
                        
Property plant and equipment, net
   $ 26,480,587     $ 30,168,813     $ 1,268,487     $ 57,917,887  
Construction in progress
     876,920       147,032       -       1,023,952  
Goodwill
     1,170,511       2,328,526       88,717       3,587,754  
Total assets
     77,934,423       70,094,283       6,903,517       154,932,223