Accumulated contract acquisition costs.

No definition available.

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- Definition

Contract acquisition cost, amortization.

+ References

No definition available.

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- Definition

Contract acquisition cost, impairment.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

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- Definition

Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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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.

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- Definition

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Revenue Recognition - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Sep. 30, 2025
Disaggregation Of Revenue [Line Items]
Total revenues	$ 69,587,000	$ 62,236,000	$ 248,855,000	$ 191,142,000
Contract acquisition costs	4,100,000		4,100,000		$ 5,300,000
Contract acquisition cost, amortization	400,000	600,000	1,400,000	1,800,000
Contract acquisition cost, impairment			0
Capitalized contract cost, amortization	700,000	1,500,000	2,600,000	5,000,000.0
Capitalized contract cost, impairment			0
Accounts receivable, net	45,903,000		45,903,000		$ 58,937,000
Korea
Disaggregation Of Revenue [Line Items]
Total revenues	8,400,000		74,700,000
China
Disaggregation Of Revenue [Line Items]
Total revenues	8,100,000		20,100,000
License
Disaggregation Of Revenue [Line Items]
Total revenues	41,600,000	34,176,000	166,935,000	108,361,000
IP Licenses
Disaggregation Of Revenue [Line Items]
Total revenues	0	0	$ 49,500,000	0
Revenues \| Product Concentration Risk \| IP Licenses
Disaggregation Of Revenue [Line Items]
Percentage of revenue			19.90%
Revenue, Product and Service Benchmark \| Product Concentration Risk \| IP Licenses
Disaggregation Of Revenue [Line Items]
Percentage of revenue			29.70%
Customer One
Disaggregation Of Revenue [Line Items]
Total revenues	$ 12,400,000	$ 9,400,000	$ 49,500,000	$ 23,900,000
Customer One \| Revenues \| Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Percentage of revenue	17.80%	15.10%	19.90%	12.50%
Customer Two
Disaggregation Of Revenue [Line Items]
Total revenues		$ 7,100,000
Customer Two \| Revenues \| Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Percentage of revenue		11.40%
Customer Three
Disaggregation Of Revenue [Line Items]
Total revenues		$ 6,900,000
Customer Three \| Revenues \| Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Percentage of revenue		11.10%