Note 10 - Supplemental Cash Flow Disclosure - Non-cash Transactions (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Shares issued as settlement		$ 739
Interest payable included in trade and other payables		30
Unpaid fixed assets		$ 17

Future cash outflow to pay for purchases of fixed assets that have occurred.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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