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RELATED PARTY TRANSACTIONS (Details) - USD ($)
1 Months Ended 12 Months Ended
Oct. 31, 2017
Sep. 30, 2017
Feb. 28, 2017
Jul. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Related Party Transaction [Line Items]            
Stock ownership required to be disclosed, minimum         5.00%  
W.F. Construction [Member]            
Related Party Transaction [Line Items]            
Agreements to modify water treatment plants $ 60,000 $ 36,000 $ 100,000 $ 131,000    
Amount paid to related party         $ 183,000 $ 137,000
Amount of liability due to related party         $ 0 $ 0