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Note 15 - Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Operating lease costs - fixed $ 238 $ 226 $ 707 $ 618
Operating lease costs - variable 33 31 97 87
Short-term lease costs 64 338 195 989
Total lease costs $ 335 $ 595 $ 999 $ 1,694