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Note 12 - Income Taxes - Earnings Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Domestic $ 4,579 $ 6,297 $ 16,059
Foreign (1,005) (3,994) (12,197)
Total earnings before income taxes $ 3,574 $ 2,303 $ 3,862