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Impairment and Restructuring Charges (Details)		3 Months Ended		6 Months Ended
	Dec. 31, 2018 employee	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Impairment of long-lived assets		$ 112,000	$ 0	$ 127,000	$ 29,000
December 2018 Cost Reductions [Member]
Restructuring Cost and Reserve [Line Items]
Positions eliminated | employee	20
Percentage of positions eliminated	30.00%
Severance Costs			$ 17,000		3,000
Restructuring charges incurred		0		0
Property, Plant and Equipment [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of long-lived assets		$ 100,000		$ 100,000	$ 29,000

X

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

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- Definition

The number of positions eliminated during the period as a result of restructuring activities.

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The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

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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 expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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