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Future payments- sales type leases (Details)
$ in Thousands
Jun. 30, 2020
USD ($)
Balance Sheet Components [Abstract]  
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One $ 433
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four 126
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two 678
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three $ 450