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Leases - Balance sheet information (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Operating lease  
Operating lease right-of-use assets $ 7,713
Operating lease liabilities, current $ 1,608
Operating Lease, Liability, Current, Statement of Financial Position leaf:AccruedAndOtherLiabilitiesCurrent
Operating lease liabilities, noncurrent $ 7,249
Total operating lease liabilities $ 8,857
Weighted average remaining lease term, Operating lease 5 years
Weighted average discount rate, Operating lease 9.00%