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Contingencies (Details Textual)
Rp in Billions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2017
USD ($)
Oct. 31, 2017
IDR (Rp)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
Jul. 29, 2011
gal
Commitments And Contingencies [Line Items]                
Revenues     $ 15,872,215 $ 15,283,188 $ 31,208,610 $ 30,960,294    
Royalty Payment Percentage         7.50%      
Cayman Water Retail Operations, Percentage Of Gross Profit     53.00% 52.00% 54.00% 54.00%    
Cayman Water Retail Operations, Percentage Of Revenue     39.00% 39.00% 40.00% 40.00%    
WSC [Member]                
Commitments And Contingencies [Line Items]                
Accounts Receivable, Net     $ 16,600,000   $ 16,600,000   $ 9,100,000  
Three Plants [Member]                
Commitments And Contingencies [Line Items]                
Revenues         $ 3,700,000   $ 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 $ 4,000,000 Rp 57.1            
CW Bali [Member] | Punitive Damages [Member]                
Commitments And Contingencies [Line Items]                
Loss Contingency, Damages Sought, Value $ 1,800,000 Rp 26.0