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Contract liabilities - Summary of Deferred Revenue (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Current
Payments in advance of services	$ 2,229	$ 557
Advance billings	3,092	2,104
Others	106	247
Total	5,427	2,908
Non-current
Payments in advance of services	4,950	550
Advance billings	1,642	2
Others	17	19
Total	$ 6,609	$ 571

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- Definition

The amount of current payments received for goods or services to be provided in the future. [Refer: Advances received]

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The non-current amount of payments received for goods or services to be provided in the future. [Refer: Advances received]

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The amount of customer billings for which the goods or services will be provided within 12 months or the normal operating cycle, if longer.

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Advance billings deferred revenue noncurrent liabilities.

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The current portion of amounts billed or payments received, where all the conditions for revenue recognition have not been met.

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The non-current portion of amounts billed or payments received, where all the conditions for revenue recognition have not been met.

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The amount of current deferred revenue that the entity does not separately disclose in this note.

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The amount of non-current deferred revenue that the entity does not separately disclose in this note.

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