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v3.20.2

Segment Information (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Revenue from contracts with customers: | $ 12,558 | $ 14,277 | $ 19,166
Property, plant and equipment, net | 878 | 886 |
Hong Kong and China [Member] |  |  |
Revenue from contracts with customers: | 2,186 | 2,794 | 4,086
Property, plant and equipment, net | 127 | 147 |
Europe [Member] |  |  |
Revenue from contracts with customers: | 9,790 | 10,901 | 14,446
Other Asian Countries [Member] |  |  |
Revenue from contracts with customers: |  | 128 | 46
North America [Member] |  |  |
Revenue from contracts with customers: | 582 | 454 | $ 588
Myanmar [Member] |  |  |
Property, plant and equipment, net | $ 751 | $ 739 |

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