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Sales, Contract Assets and Contract Liabilities (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Cost of Goods and Services Sold     $ 1,000    
Contract with Customer, Asset, Net, Current $ 53,000   53,000   $ 39,000
Revenue from Contract with Customer, Including Assessed Tax 0 $ 0 0 $ 530,000  
Contract with Customer, Liability, Current $ 0   0    
Flare Projects [Member]          
Revenue from Contract with Customer, Including Assessed Tax     $ 0 $ 530,000