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LOANS PAYABLE (Details)		1 Months Ended		12 Months Ended
	Aug. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 31, 2015	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Aug. 23, 2019 USD ($)	May 31, 2018 USD ($)	Apr. 30, 2018 GBP (£)
Loans Payable | Non Interest Bearing Unsecured Convertible Loan
Debt Instrument [Line Items]
Loans payable, face amount	$ 4,500,000			$ 20,300,000	$ 16,900,000				£ 10,500,000
Interest and unused commitment fees paid				162,000	288,000	$ 327,000
Exchange period	3 years
Loans Payable | Two Point Eighty Eight Percent Loans Payable
Debt Instrument [Line Items]
Loans payable, face amount								$ 2,800,000
Interest and unused commitment fees paid				105,000	105,000	105,000
Stated interest rate								2.88%
Loans Payable | Two Point Seven Five Percent Loans Payable
Debt Instrument [Line Items]
Loans payable, face amount		$ 4,000,000
Interest and unused commitment fees paid				79,000	103,000	32,000
Stated interest rate		2.75%
Exchange period		4 years
Loans Payable | Former Shareholders
Debt Instrument [Line Items]
Interest and unused commitment fees paid				$ 10,000	$ 21,000	$ 63,000
Stated interest rate				1.48%	1.49%	2.94%
Revolving line of credit | Bank of America
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity							$ 100,000,000
Principal outstanding				$ 0
Revolving line of credit | Bank of America | 2019 Line of Credit, Expansion Option
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity							$ 200,000,000
Baylor Klein, Ltd
Debt Instrument [Line Items]
Contingent consideration				$ 17,600,000
London Interbank Offered Rate (LIBOR) | Revolving line of credit | Bank of America
Debt Instrument [Line Items]
Stated interest rate on line of credit			1.00%

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