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Long-Term Debt (Details Narrative) - USD ($)
Nov. 06, 2015
Jul. 05, 2013
Dec. 31, 2012
Sep. 30, 2017
Dec. 31, 2016
Outstanding loan balance       $ 9,527,994 $ 9,868,402
PWSS Term Loan [Member]          
Secured debt fixed interest rate   5.00%      
Outstanding loan balance       632,000 650,000
Capitalized debt costs       16,000 18,000
Notes principal amount   $ 750,000      
Debt term   10 years      
Amortization period   20 years      
Municipal Debt [Member]          
Amortization period     16 years    
Notes interest rate percentage for first six month     5.00%    
Debt maturity date     Feb. 01, 2018    
Municipal debt securities carrying value       90,000 96,000
PWRS Bonds [Member]          
Secured debt $ 10,150,000        
Secured debt fixed interest rate 4.34%        
Secured debt maturity year 2034        
Outstanding loan balance       9,173,000 9,466,000
Capitalized debt costs       $ 376,000 $ 393,000