Annual report pursuant to Section 13 and 15(d)

Note 9 - Intangible Assets - Intangible Assets (Details)

v3.20.2
Note 9 - Intangible Assets - Intangible Assets (Details) - Licensing Agreements [Member] - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Intangible asset, cost $ 18,025 $ 18,988
Intangible asset, accumulated amortization 13,781 12,602
Intangible asset, net book value $ 4,244 $ 6,386