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Note 15 - Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Operating lease costs - fixed $ 238 $ 214 $ 469 $ 392
Operating lease costs - variable 32 28 63 55
Short-term lease costs 65 510 131 678
Total lease costs $ 335 $ 752 $ 663 $ 1,125