v3.19.1
Leases (Details 2)
Mar. 31, 2019
Weighted average remaining lease terms and discount rate [Abstract]  
Weighted average remaining lease terms, Operating leases 3 years 4 months 24 days
Weighted average remaining lease terms, Finance leases 3 years 4 months 24 days
Weighted average discount rate, Operating leases 4.90%
Weighted average discount rate, Finance leases 7.80%