v3.20.4

Variable Interest Entity and Guarantee (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020	Apr. 02, 2013
Concentration Risk [Line Items]
Revenue	$ 7,649	$ 7,159	$ 23,319	$ 23,730
SEC Schedule, 12-04, Cash Dividends Paid to Registrant, 50 Percent or Less Owned Persons	36
AKA [Member]
Concentration Risk [Line Items]
Equity Method Investments	100		100		$ 100
Revenue	300	$ 300	900	$ 1,000
Accounts Receivable, Net, Current	200		200		200
Deferred Revenue	300		300		$ 500
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 700		$ 700
AKA [Member]
Concentration Risk [Line Items]
Equity Method Investment, Ownership Percentage						50.00%

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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This element represents disclosure of the aggregate cash dividends paid to the entity by 50% or less owned persons accounted for using the equity method.

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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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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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