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Commitments and Contingencies - Schedule of Contractual Obligation, Fiscal Year Maturity (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Operating lease obligations, total $ 774
Operating lease obligations, less than 1 year 160
Operating lease obligations, 1 to 3 years 316
Operating lease obligations, 3 to 5 years 298
Operating lease obligations, after 5 years
Contractual obligation, total
Contractual obligation, less than 1 year
Contractual obligation, 1 to 3 years
Contractual obligation, 3 to 5 years
Contractual obligation, after 5 years
Operating leases future minimum, total 774
Operating leases future minimum, less than 1 year 160
Operating leases future minimum, 1 to 3 years 316
Operating leases future minimum, 3 to 5 years 298
Operating leases future minimum, after 5 years