DEBT (Details) $ in Thousands, ¥ in Millions		1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 25, 2022 USD ($)	Jul. 31, 2022 USD ($)	Jul. 31, 2022 CNY (¥)	Jul. 31, 2022 USD ($)	Jul. 31, 2022 CNY (¥)	Jul. 31, 2022 USD ($)		Oct. 31, 2021 USD ($)	Oct. 31, 2020 CNY (¥) Tool	Jul. 31, 2022 CNY (¥)	Oct. 31, 2021 CNY (¥)	Feb. 28, 2021 USD ($)	Dec. 31, 2020 USD ($)	Nov. 30, 2018 CNY (¥)	Sep. 30, 2018 USD ($)
Long Term Debt Maturing In Year One [Abstract]
Next 12 months			$ 10,727		$ 10,727		$ 10,727		$ 22,248
Long-term Debt [Abstract]
Months 13 - 24			10,397		10,397		10,397		25,281
Months 25 - 36			29,012		29,012		29,012		23,145
Months 37 - 48			7,180		7,180		7,180		33,448
Months 49 - 60									7,572
Long-term debt			46,589		46,589		46,589		89,446
Total			57,316		57,316		57,316		111,694
Finance lease amount			33,136		33,136		33,136		38,372
Xiamen Project Loans [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months			0		0		0		2,068
Long-term Debt [Abstract]
Months 13 - 24			3,812		3,812		3,812		10,071
Months 25 - 36			9,390		9,390		9,390		10,278
Months 37 - 48			7,180		7,180		7,180		9,902
Months 49 - 60									7,572
Long-term debt			20,382		20,382		20,382		37,823
Total			20,382		20,382		$ 20,382		$ 39,891
Interest rate at balance sheet date							4.60%		4.65%
Basis spread on interest rates							0.00%		0.00%
Maturity date							Dec. 01, 2025		Dec. 01, 2025
Periodic payment amount							Varies as loans mature	[1],[2]	Varies as loans mature
Periodic payment frequency							Semiannual, on individual loans		Semiannual, on individual loans
Loan collateral (carrying amount)			79,200		79,200		$ 79,200		$ 90,096
Maximum borrowing capacity | ¥															¥ 345.0
Amount outstanding			20,400		20,400		20,400				¥ 137.4
Xiamen Project Loans [Member] | Due Date December 2023 [Member]
Long-term Debt [Abstract]
Repayment of long term debt					3,900	¥ 26.0
Xiamen Project Loans [Member] | Due Date June 2024 [Member]
Long-term Debt [Abstract]
Repayment of long term debt					400	¥ 3.0
Xiamen Project Loans [Member] | Due Date 13 - 24 Months [Member] | Subsequent Event [Member]
Long-term Debt [Abstract]
Repayment of long term debt		$ 3,800
Xiamen Project Loans [Member] | Due Date 25 - 26 Months [Member] | Subsequent Event [Member]
Long-term Debt [Abstract]
Repayment of long term debt		$ 2,300
Xiamen Working Capital Loans [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months			3,798		3,798		3,798		8,197
Long-term Debt [Abstract]
Months 13 - 24			0		0		0		4,005
Months 25 - 36			0		0		0		0
Months 37 - 48			0		0		0		0
Months 49 - 60									0
Long-term debt			0		0		0		4,005
Total			3,798		3,798		$ 3,798		$ 12,202
Interest rate at balance sheet date							4.46%
Basis spread on interest rates							0.76%
Maturity date							Jul. 01, 2023		Jul. 01, 2023
Periodic payment amount							Increases as loans mature		Increases as loans mature
Periodic payment frequency							Semiannual, on individual loans		Semiannual, on individual loans
Maximum borrowing capacity			25,000		25,000		$ 25,000
Expiration date							Oct. 31, 2022
Amount outstanding			3,800		3,800		$ 3,800				¥ 25.6
Xiamen Working Capital Loans [Member] | Minimum [Member]
Long-term Debt [Abstract]
Interest rate at balance sheet date									4.53%
Basis spread on interest rates									0.6775%
Xiamen Working Capital Loans [Member] | Maximum [Member]
Long-term Debt [Abstract]
Interest rate at balance sheet date									4.61%
Basis spread on interest rates									0.76%
Hefei Equipment Loan [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months			0		0		0		$ 4,694
Long-term Debt [Abstract]
Months 13 - 24			0		0		0		4,693
Months 25 - 36			0		0		0		6,257
Months 37 - 48			0		0		0		5,585
Months 49 - 60									0
Long-term debt			0		0		0		16,535
Total			0		0		$ 0		$ 21,229
Interest rate at balance sheet date									4.20%
Basis spread on interest rates									(0.45%)
Maturity date							Jul. 01, 2022		Sep. 01, 2025
Periodic payment amount	[3]								Varies
Periodic payment frequency	[3]								Semiannual
Loan collateral (carrying amount)									$ 86,487
Repayment of long term debt			18,000	¥ 120.7
Percent of repayment on approved loan principal in each first five semiannual loan repayments									7.50%
Percent of repayment on original approved loan amount in each last five semiannual loan repayments									12.50%
Maximum borrowing capacity | ¥										¥ 200.0		¥ 200.0
Number of lithography tools purchased | Tool										2
Finance Leases [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months			6,929		6,929		$ 6,929		$ 7,289
Long-term Debt [Abstract]
Months 13 - 24			6,585		6,585		6,585		6,512
Months 25 - 36			19,622		19,622		19,622		6,610
Months 37 - 48			0		0		0		17,961
Months 49 - 60									0
Long-term debt			26,207		26,207		26,207		31,083
Total			33,136		33,136		$ 33,136		$ 38,372
Periodic payment frequency							Monthly		Monthly
Loan collateral (carrying amount)	[4]		$ 38,694		$ 38,694		$ 38,694		$ 40,826
Finance lease contract term			5 years		5 years		5 years				5 years
Finance lease amount													$ 7,200	$ 35,500
Amended and Restated Credit Agreement [Member]
Long-term Debt [Abstract]
Maximum borrowing capacity																$ 100,000
Amount outstanding			$ 0		$ 0		$ 0
Term of loan							5 years
Current borrowing capacity																50,000
Cash limit for dividends, distributions and redemption on equity																$ 50,000
Effective interest rate			3.36%		3.36%		3.36%				3.36%

[1] During the three-month period ended July 31, 2022, we repaid 26.0 million RMB (approximately $3.9 million) that was due to be paid in December 2023, and 3.0 million RMB (approximately $0.4 million) that was due to be paid in June 2024.

[2] In September 2022, we repaid the entire $3.8 million shown in the table above as due to be paid in months 13-24, and we repaid approximately $2.3 million of the amount shown in the table above as due to be paid in months 25-36.

[3] First five semiannual loan repayments were each to be for 7.5 percent of the approved 200 million RMB loan principal; last five installments were each to be for 12.5 percent of the approved loan principal.We repaid our entire outstanding balance on this loan in July 2022, and did not extend our credit agreement with the lender. The collateral associated with this loan has been released.

[4] Represents the carrying amount at the balance sheet date of the related ROU assets, in which the lessors have secured interests.