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Segment Information (Tables) | 12 Months Ended
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Mar. 31, 2019
Segment Reporting [Abstract] |
Schedule of segment reporting information |
|  | Year ended March 31, |
|  | 2017 |  |  | 2018 |  |  | 2019 |
|  | $ |  |  | $ |  |  | $ |
Revenue from contracts with customers: |  |  |  |  |  |  |  |  |
Metal stamping and Mechanical OEM |  |  | 8,323 |  |  |  | 9,638 |  |  |  | 7,717 |
Electric OEM |  |  | 11,280 |  |  |  | 9,528 |  |  |  | 6,560 |
Total revenue from contracts with customers |  |  | 19,603 |  |  |  | 19,166 |  |  |  | 14,277 |
Operating income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Metal stamping and Mechanical OEM |  |  | 267 |  |  |  | 955 |  |  |  | (405 | )
Electric OEM |  |  | 646 |  |  |  | 1,123 |  |  |  | (250 | )
Corporate |  |  | (152 | ) |  |  | (140 | ) |  |  | (100 | )
Total operating income (loss) |  |  | 761 |  |  |  | 1,938 |  |  |  | (755 | )
Depreciation expense: |  |  |  |  |  |  |  |  |  |  |  |
Metal stamping and Mechanical OEM |  |  | 107 |  |  |  | 160 |  |  |  | 133 |
Electric OEM |  |  | 159 |  |  |  | 159 |  |  |  | 128 |
Total depreciation |  |  | 266 |  |  |  | 319 |  |  |  | 261 |
Capital expenditure: |  |  |  |  |  |  |  |  |  |  |  |
Metal stamping and Mechanical OEM |  |  | 88 |  |  |  | 136 |  |  |  | 398 |
Electric OEM |  |  | 109 |  |  |  | 135 |  |  |  | 297 |
Total capital expenditure |  |  | 197 |  |  |  | 271 |  |  |  | 695 |
|  | As of March 31, |
|  | 2018 |  |  | 2019 |
|  | $ |  |  | $ |
Total assets: |  |  |  |  |  |
Metal stamping and Mechanical OEM |  |  | 8,402 |  |  |  | 8,084 |
Electric OEM |  |  | 9,535 |  |  |  | 7,000 |
Corporate |  |  | 193 |  |  |  | 166 |
Total assets |  |  | 18,130 |  |  |  | 15,250 |
|  | As of March 31, |
|  | 2018 |  |  | 2019 |
|  | $ |  |  | $ |
Property, plant and equipment, net: |  |  |  |  |  |
Metal stamping and Mechanical OEM |  |  | 391 |  |  |  | 513 |
Electric OEM |  |  | 379 |  |  |  | 373 |
Total property, plant and equipment, net |  |  | 770 |  |  |  | 886 |
Schedule of geographical segment |
|  | Year ended March 31, |
|  | 2017 |  |  | 2018 |  |  | 2019 |
|  | $ |  |  | $ |  |  | $ |
Revenue from contracts with customers: |  |  |  |  |  |  |  |  |
Hong Kong and China |  |  | 4,700 |  |  |  | 4,086 |  |  |  | 2,794 |
Europe |  |  | 14,037 |  |  |  | 14,446 |  |  |  | 10,901 |
Other Asian countries |  |  | 31 |  |  |  | 46 |  |  |  | 128 |
North America |  |  | 835 |  |  |  | 588 |  |  |  | 454 |
Total revenue from contracts with customers |  |  | 19,603 |  |  |  | 19,166 |  |  |  | 14,277 |
|  | As of March 31, |
|  | 2018 |  |  | 2019 |
|  | $ |  |  | $ |
Property, plant and equipment, net: |  |  |  |  |  |
Hong Kong and China |  |  | 581 |  |  |  | 147 |
Myanmar |  |  | 189 |  |  |  | 739 |
Total property, plant and equipment, net |  |  | 770 |  |  |  | 886 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
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