Operating leases, Quantitative Data (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2019 USD ($)
Quantitative Data Related to Operating Leases [Abstract]
Right-of-use assets	$ 1,770
Lease liabilities	1,773
Operating lease cost	72
Variable lease cost	10
Operating outgoing cash flows from operating leases	78
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 1,840
Weighted-average remaining lease term (Years)	7 years 9 months 18 days
Weighted-average discount rate	2.50%