Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Summary of Significant Accounting Policies (Textual)
Gains/(losses) resulting from foreign currency transactions	$ 324	$ 81	$ (108)
Percentage contribution to provident fund	12.00%
Contribution to provident fund	$ 1,643	1,521	1,378
Contribution to superannuation plan	36	37	42
Pension cost	100	15	30
Provision for accrued vacation	973	961	1,735
Leave encashment	4,159	4,303	420
Advertising and promotion related expense	649	965	1,032
Aggregate obligations to gratuity plan	$ 382	$ 420	$ (136)
Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Percentage contribution to superannuation plan	12.50%
Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Percentage contribution to superannuation plan	15.00%

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Represents percentage contribution to superannuation plan.

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Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees.

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Amount of liability accrued for the employer's obligation related to an employee's right to receive compensation for future absences that have been earned by employee.

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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Percentage employer matches of the employee's percentage contribution matched.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits.

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