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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.

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