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Net Income (Loss) Per Share (Details) - Schedule of basic and diluted net income (loss) per share - $ / shares	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Schedule of basic and diluted net income (loss) per share [Abstract]
Net income (loss) attributable to Highway Holdings Limited’s shareholders, basic and diluted	$ 443	$ (461)	$ 686
Weighted average common shares used in computing basic net income (loss) per share	4,033,346	4,006,400	3,909,976
Dilutive stock option	154,385
Weighted average common shares used in computing diluted net income (loss) per share	4,187,731	4,006,400	3,909,976
Net income (loss) per share, basic	$ 0.11	$ (0.12)	$ 0.18
Net income (loss) per share, diluted	$ 0.11	$ (0.12)	$ 0.18

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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