DEBT, Long-term Debt (Details) $ in Thousands, ¥ in Millions		1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended
		Feb. 28, 2023 USD ($)	Feb. 28, 2023 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 CNY (¥)	Apr. 30, 2023 USD ($)	Apr. 30, 2023 CNY (¥)	Apr. 30, 2023 USD ($)		Oct. 31, 2022 USD ($)		Oct. 31, 2022 CNY (¥)
Long Term Debt Maturing In Year One [Abstract]
Next 12 months						$ 7,017		$ 7,017		$ 10,024
Long-term Debt [Abstract]
Months 13 - 24						21,290		21,290		6,610
Months 25 - 36						12		12		19,059
Months 37 - 48						12		12		6,641
Months 49 - 60						8		8
Long-term debt						21,322		21,322		32,310
Total debt						28,339		28,339
Xiamen Project Loans [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months						0		0		0
Long-term Debt [Abstract]
Months 13 - 24						0		0		0
Months 25 - 36						0		0		1,098
Months 37 - 48						0		0		6,641
Months 49 - 60						0		0
Long-term debt						0		0		$ 7,739
Total debt						0		$ 0
Basis spread on interest rates								0.00%		0.00%		0.00%
Maturity date								Dec. 01, 2025		Dec. 01, 2025		Dec. 01, 2025
Periodic payment amount								Varies as loans mature	[1]	Varies as loans mature	[2]	Varies as loans mature	[2]
Periodic payment frequency								Semiannual, on individual loans		Semiannual, on individual loans		Semiannual, on individual loans
Loan collateral (carrying amount)										$ 70,705
Repayment of long term debt		$ 3,900	¥ 26.4			3,900	¥ 26.4			$ 11,500		¥ 81.0
Xiamen Project Loans [Member] | Minimum [Member]
Long-term Debt [Abstract]
Interest rate at balance sheet date										4.30%		4.30%
Xiamen Project Loans [Member] | Maximum [Member]
Long-term Debt [Abstract]
Interest rate at balance sheet date										4.45%		4.45%
Xiamen Project Loans [Member] | Due Date June 2025 [Member]
Long-term Debt [Abstract]
Repayment of long term debt | ¥							2.0
Xiamen Project Loans [Member] | Due Date December 2025 [Member]
Long-term Debt [Abstract]
Repayment of long term debt | ¥							¥ 24.4
Xiamen Working Capital Loans [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months										$ 3,512
Long-term Debt [Abstract]
Months 13 - 24										0
Months 25 - 36										0
Months 37 - 48										0
Long-term debt										$ 0
Total debt						0		$ 0
Interest rate at balance sheet date										4.46%		4.46%
Basis spread on interest rates										0.76%		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
Repayment of long term debt				$ 3,600	¥ 25.6
Finance Leases [Member]
Long Term Debt Maturing In Year One [Abstract]
Next 12 months						7,017		7,017		$ 6,512
Long-term Debt [Abstract]
Months 13 - 24						21,290		21,290		6,610
Months 25 - 36						12		12		17,961
Months 37 - 48						12		12		0
Months 49 - 60						8		8
Long-term debt						21,322		21,322		$ 24,571
Total debt						28,339		$ 28,339
Periodic payment amount								Varies as leases mature		Varies as leases mature		Varies as leases mature
Periodic payment frequency								Monthly		Monthly		Monthly
Loan collateral (carrying amount)	[3]					$ 36,611		$ 36,611		$ 37,976

[1] During the three-month period ended April 30, 2023, we repaid the entire balance of 26.4 million RMB (approximately $3.9 million) remaining on the loan, of which, 2.0 million RMB was due to be paid in June 2025 and 24.4 million RMB was due to be paid in December 2025.

[2] During the three-month period ended October 31, 2022, we repaid 81.0 million RMB (approximately $11.5 million) that had contractual maturity dates ranging from December 2023 through June 2025.

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