Note 17 - Trade and Other Receivables - Analysis of Trade Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Mar. 31, 2018
Statement Line Items [Line Items]
Trade and other receivables	$ 3,119	$ 6,195	$ 5,929	$ 5,335
Less: credit note provision	(7)	(2)	(30)	(2)
Total	$ 3,112	$ 6,193	$ 5,899	$ 5,333

The amount due from customers for goods and services sold.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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