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Present value of net minimum lease payments (Details)
$ in Thousands
Jun. 30, 2022
USD ($)
Operating Leases [Member]  
Lessee, Lease, Description [Line Items]  
  $ 99
  167
  129
  137
  137
  379
  1,048
  (138)
  910
Finance Leases [Member]  
Lessee, Lease, Description [Line Items]  
  149
  304
  314
  324
  324
  4,978
  6,393
  (2,064)
  $ 4,329