DEBT, Long-term Debt (Details) $ in Thousands		1 Months Ended		3 Months Ended		12 Months Ended
		Jul. 31, 2022 USD ($)	Jul. 31, 2022 CNY (¥)	Oct. 31, 2022 USD ($)	Oct. 31, 2022 CNY (¥)	Oct. 31, 2022 USD ($)		Oct. 31, 2021 USD ($)	Oct. 31, 2020 CNY (¥)	Nov. 30, 2018 USD ($)	Nov. 30, 2018 CNY (¥)
Long Term Debt Maturing In Year One [Abstract]
Next 12 months				$ 10,024		$ 10,024		$ 22,248
Long-term debt [Abstract]
Months 13 - 24				6,610		6,610		25,281
Months 25 - 36				19,059		19,059		23,145
Months 37 - 48				6,641		6,641		33,448
Months 49 - 60								7,572
Long-term debt				32,310		32,310		89,446
Xiamen Project Loans [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months				0		0		2,068
Long-term debt [Abstract]
Months 13 - 24				0		0		10,071
Months 25 - 36				1,098		1,098		10,278
Months 37 - 48				6,641		6,641		9,902
Months 49 - 60								7,572
Long-term debt				7,739		$ 7,739		$ 37,823
Interest rate at balance sheet date								4.65%
Basis spread on interest rates						0.00%		0.00%
Maturity date						Dec. 31, 2025		Dec. 31, 2025
Periodic payment amount						Varies as loans mature	[1]	Varies as loans mature
Periodic payment frequency						Semiannual, on individual loans		Semiannual, on individual loans
Loan collateral (carrying amount)				70,705		$ 70,705		$ 90,096
Repayment of long term debt				11,500	¥ 81,000,000
Maximum borrowing capacity | ¥											¥ 345,000,000
Xiamen Project Loans [Member] | Minimum [Member]
Long-term debt [Abstract]
Interest rate at balance sheet date						4.30%
Xiamen Project Loans [Member] | Maximum [Member]
Long-term debt [Abstract]
Interest rate at balance sheet date						4.45%
Xiamen Working Capital Loans [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months				3,512		$ 3,512		8,197
Long-term debt [Abstract]
Months 13 - 24				0		0		4,005
Months 25 - 36				0		0		0
Months 37 - 48				0		0		0
Months 49 - 60								0
Long-term debt				0		$ 0		$ 4,005
Interest rate at balance sheet date						4.46%
Basis spread on interest rates						0.76%
Maturity date						Jul. 31, 2023		Jul. 31, 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
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		$ 4,694
Long-term debt [Abstract]
Months 13 - 24				0		0		4,693
Months 25 - 36				0		0		6,257
Months 37 - 48				0		0		5,585
Months 49 - 60								0
Long-term debt				0		$ 0		$ 16,535
Interest rate at balance sheet date								4.20%
Basis spread on interest rates								(0.45%)
Maturity date						Jul. 31, 2022		Sep. 30, 2025
Periodic payment amount	[2]							Varies
Periodic payment frequency	[3]							Semiannual
Loan collateral (carrying amount)								$ 86,487
Repayment of long term debt		$ 18,000	¥ 120,700,000
Percent of repayment on approved loan principal in each first five semiannual loan repayments								7.50%
Maximum borrowing capacity | ¥									¥ 200,000,000
Percent of repayment on original approved loan amount in each last five semiannual loan repayments								12.50%
Finance Leases [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months				6,512		$ 6,512		$ 7,289
Long-term debt [Abstract]
Months 13 - 24				6,610		6,610		6,512
Months 25 - 36				17,961		17,961		6,610
Months 37 - 48				0		0		17,961
Months 49 - 60								0
Long-term debt				24,571		$ 24,571		$ 31,083
Interest rate at balance sheet date	[4]
Maturity date	[4]
Periodic payment amount	[4]
Periodic payment frequency						Monthly		Monthly
Loan collateral (carrying amount)	[5]			$ 37,976		$ 37,976		$ 40,826

[1] During the three month period ended October 31, 2022, we repaid 81,000,000 RMB (approximately $11.5 million) that had contractual maturity dates ranging from December 2023 through June 2025.

[2] First five loan repayments were scheduled to be for 7.5 percent of the approved 200 million RMB loan principal; last five installments were scheduled to be for 12.5 percent of the approved loan principal.

[3] Semiannual repayments commence in March 2022; remaining outstanding amount paid in July 2022.

[4] See Note 8 for interest rates on lease liabilities, maturity dates, and periodic payment amounts.

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