Annual report pursuant to Section 13 and 15(d)

Note 5 - Investments - Marketable Securities (Details)

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Note 5 - Investments - Marketable Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Total investments $ 8,908
Short-term investments 8,888
Investments 20
Deposits [Member]    
Total investments 2,020
Canadian Treasury Bill [Member]    
Total investments $ 6,888