SHARE-BASED COMPENSATION - Restricted Stock Units (Details) - USD ($)	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
SHARE-BASED COMPENSATION
Number of common stocks represented by each RSU		1
Weighted- average grant date fair value
Forfeiture percentage	13.04%	13.04%	13.04%
Fair value of stock option and RSU on the grant date	$ 3,500,000
Share-based compensation expense	347,466	$ 6,585,386	$ 1,828,868
Unrecognized compensation cost	$ 64,415	$ 518,891
Period of unrecognized compensation cost expected to be recognized (in years)	12 months
Restricted Stock Units
SHARE-BASED COMPENSATION
Vesting period		3 years
Number of Restricted Shares
Outstanding at beginning of year (in shares)	77,800
Granted (in shares)		616,700
Vested (in shares)	(38,900)	(538,900)
Forfeited (in shares)	(3,333)
Outstanding at end of year (in shares)	35,567	77,800
Weighted- average grant date fair value
Outstanding at beginning of year (in dollars per share)	$ 9.26
Granted (in dollars per share)		$ 9.26
Vested (in dollars per share)	9.26	9.26
Forfeited (in dollars per share)	9.26
Outstanding at end of year (in dollars per share)	$ 9.26	$ 9.26
Restricted Stock Units \| First Anniversary of the date of grant
SHARE-BASED COMPENSATION
Vesting Rights		33.00%
Restricted Stock Units \| Second and third anniversary of the grant date
SHARE-BASED COMPENSATION
Vesting Rights		67.00%

Number of Company's common stocks represented by each Restricted Stock Units (RSU).

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Grant-date fair value of share-based compensation awards.

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Percentage of awards which current fair value of underlying stock exceeds exercise price of fully forfeited Includes, aggregate intrinsic value of an entity during the year.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of vesting of award under share-based payment arrangement.

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