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Fixed Assets (Details 1) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Lease cost:        
Operating lease cost $ 52,000 $ 94,000 $ 158,000 $ 209,000
Short-term lease cost 0 0 0 0
Total lease cost 52,000 $ 94,000 $ 158,000 $ 209,000
Cash paid for amounts included in the measurement of lease liabilities:        
Operating cash flows from operating leases $ 130,000      
Weighted average remaining lease term (in years) 1 year 5 months 8 days      
Weighted average discount rate 5.00%