Description of Business and Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2023 USD ($) customer	Mar. 31, 2023 customer
Significant accounting policies
FDIC \| $	$ 250
Deposits and FDIC insurance limit \| $	$ 19,800
No individual customer \| Accounts Receivable \| Customer
Significant accounting policies
Number of customers \| customer	0	0
Percentage of total net sales and contract revenues	10.00%	10.00%
No individual customer \| Net sales and contract revenues \| Customer
Significant accounting policies
Number of customers \| customer	0	0
Percentage of total net sales and contract revenues	10.00%	10.00%

Refers to the concentration risk, number of customers.

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- References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 275
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-Section 50
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-URI https://asc.fasb.org//1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

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- Definition

Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

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- Definition

Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
-Paragraph 1
-SubTopic 405
-Topic 942
-Publisher FASB
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