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Sales, Contract Assets and Contract Liabilities (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Dec. 31, 2018
Cost of Goods and Services Sold   $ 1,000  
Contract with Customer, Asset, Net, Current $ 42,000 42,000 $ 39,000
Contract with Customer, Liability, Current 0 0  
Flare Projects [Member]      
Revenue from Contract with Customer, Including Assessed Tax $ 0 $ 530,000