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Contingencies (Details Textual)
Rp in Billions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2017
USD ($)
Oct. 31, 2017
IDR (Rp)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
Jul. 29, 2011
gal
Commitments And Contingencies [Line Items]                
Revenues     $ 18,824,188 $ 16,572,203 $ 50,032,798 $ 47,532,497    
Cayman Water Retail Operations, Percentage Of Gross Profit     45.00% 48.00% 51.00% 52.00%    
Cayman Water Retail Operations, Percentage Of Revenue     33.00% 33.00% 37.00% 38.00%    
Per Gallon Price Of Water Supplied Percent     31.00%   31.00%   31.00%  
WSC [Member]                
Commitments And Contingencies [Line Items]                
Accounts Receivable, Net     $ 16,100,000   $ 16,100,000   $ 9,100,000  
Three Plants [Member]                
Commitments And Contingencies [Line Items]                
Revenues         $ 5,700,000   $ 7,200,000  
CW Belize [Member]                
Commitments And Contingencies [Line Items]                
Delivery Terms, Volume of water per day | gal               450,000
CW Bali [Member] | Compensatory Damages [Member]                
Commitments And Contingencies [Line Items]                
Loss Contingency, Damages Sought, Value $ 3,800,000 Rp 57.1            
CW Bali [Member] | Punitive Damages [Member]                
Commitments And Contingencies [Line Items]                
Loss Contingency, Damages Sought, Value $ 1,700,000 Rp 26.0