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Note 7 - Accounts Receivable - Summary of Accounts Receivable (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Mar. 31, 2020
Accounts receivable (billed) $ 7,502 $ 11,276
Accounts receivable (unbilled) 5,765 5,711
Accounts receivable $ 13,267 $ 16,987