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Commitments and Contingencies - Schedule of Maturities Minimum Lease Payments Receivable (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]      
2018 $ 19,000 $ 18,000  
2019 19,000 19,000  
2020 22,000 22,000  
Total 60,000 59,000  
Less: Current portion (26,000) (20,000) $ (27,000)
Investment in lease, noncurrent $ 34,000 $ 39,000