Short-term and Long-term Debt - CTBC Bank (Details)	Jul. 20, 2021 USD ($)	May 06, 2020 USD ($)	Jun. 30, 2022 USD ($)	Jul. 20, 2021 TWD ($)	Jun. 30, 2021 USD ($)	Aug. 24, 2020 USD ($)	May 06, 2020 TWD ($)
Short-term Debt [Line Items]
Long-term debt			$ 147,618,000		$ 34,700,000
Secured debt | CTBC Bank term loan, due June 4, 2030 | Term Loan
Short-term Debt [Line Items]
Long-term debt			$ 40,400,000		$ 34,700,000
Secured debt | CTBC Bank term loan, due June 4, 2030 | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, term		10 years
Credit facility, maximum borrowing capacity	$ 42,900,000	$ 40,700,000		$ 1,200,000,000		$ 50,000,000	$ 1,200,000,000
Interest rate (as a percent)			0.825%		0.45%
Secured debt | Two Thousand Twenty One CTBC Term Loan Facility | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, term	75 months
Credit facility, maximum borrowing capacity	$ 55,400,000			1,550,000,000
Secured debt | Two Thousand Twenty One CTBC Machine Loan | Term Loan
Short-term Debt [Line Items]
Long-term debt			$ 5,500,000		$ 0
Secured debt | Two Thousand Twenty One CTBC Machine Loan | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 12,500,000			350,000,000
Interest rate (as a percent)			1.025%
Secured debt | CTBC Credit Facility, 12 Month, Up To 0.50% Interest | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, term	12 months
Credit facility, maximum borrowing capacity	$ 44,700,000			1,250,000,000
Interest rate (as a percent)					0.75%
Long-term debt			$ 0		$ 25,100,000
Secured debt | CTBC Credit Facility, 12 Month, Up To 0.50% Interest | CTBC Bank | Term Loan | CTBC's Established NTD Interest Rate
Short-term Debt [Line Items]
Credit facility, basis spread on variable rate (as a percent)	0.50%
Secured debt | CTBC Credit Facility, Twelve Month, Up To One Hundred Percent Of Eligible Accounts Receivable, Between Zero Point Seven Zero And Zero Point Seven Five Percent Interest | CTBC Bank | Term Loan | Lender's Established USD Interest Rate | Minimum
Short-term Debt [Line Items]
Credit facility, basis spread on variable rate (as a percent)	0.70%
Secured debt | CTBC Credit Facility, Twelve Month, Up To One Hundred Percent Of Eligible Accounts Receivable, Between Zero Point Seven Zero And Zero Point Seven Five Percent Interest | CTBC Bank | Term Loan | Lender's Established USD Interest Rate | Maximum
Short-term Debt [Line Items]
Credit facility, basis spread on variable rate (as a percent)	0.75%
Revolving Credit Facility | Two Thousand Twenty One CTBC Term Loan Facility | CTBC Bank | Line of credit
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 105,000,000
Revolving Credit Facility | CTBC Credit Facility, 12 Month, Up To 0.50% Interest | CTBC Bank | Line of credit
Short-term Debt [Line Items]
Interest rate (as a percent)					0.98%
Long-term debt			84,800,000		$ 18,000,000
Credit facility, remaining borrowing capacity			20,200,000
Collateral amount			$ 77,300,000
Revolving Credit Facility | CTBC Credit Facility, 12 Month, Up To 0.50% Interest | CTBC Bank | Line of credit | Minimum
Short-term Debt [Line Items]
Interest rate (as a percent)			1.80%
Revolving Credit Facility | CTBC Credit Facility, 12 Month, Up To 0.50% Interest | CTBC Bank | Line of credit | Maximum
Short-term Debt [Line Items]
Interest rate (as a percent)			2.52%
Customs Bond | CTBC Credit Facility, 12 Month, Up To 0.50% Interest | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, term	12 months
Credit facility, maximum borrowing capacity	$ 3,600,000			$ 100,000,000
Interest rate, stated percentage	0.50%			0.50%
Customs Bond | CTBC Credit Facility, Twelve Month, Up To One Hundred Percent Of Eligible Accounts Receivable, Between Zero Point Seven Zero And Zero Point Seven Five Percent Interest | CTBC Bank | Line of credit
Short-term Debt [Line Items]
Credit facility, term	12 months
Credit facility, maximum borrowing capacity	$ 105,000,000
Percent of eligible accounts receivable	100.00%			100.00%