LONG-TERM DEBT (Details) $ in Thousands, ¥ in Millions		1 Months Ended	6 Months Ended
	Aug. 25, 2019 USD ($)	Jul. 28, 2019 USD ($)	May 03, 2020 CNY (¥)	May 03, 2020 USD ($)	Apr. 28, 2019 USD ($)	May 03, 2020 USD ($)	Oct. 31, 2019 USD ($)
Long-term debt [Abstract]
Long-term debt						$ 43,596	$ 44,029
Current portion of long-term debt						(7,813)	(2,142)
Long-term debt						$ 35,783	$ 41,887
Weighted-average interest rate of short -term debt			3.51%			3.51%	3.84%
Consolidated assets pledged						$ 1,133,888	$ 1,118,665
Proceeds from debt				$ 1,140	$ 39,633
Maturities of Long-term Debt [Abstract]
2020 (remainder of)						1,755
2021						8,294
2022						12,417
2023						3,437
2024						6,582
Thereafter						11,111
Project Loans [Member]
Long-term debt [Abstract]
Long-term debt						$ 34,452	34,490
Interest rate percentage			4.90%			4.90%
Maturity date of debt			Dec. 31, 2025	Dec. 31, 2025
Maximum borrowing capacity						$ 50,000
Proceeds from credit facility			¥ 243.4	$ 34,500
Date of first required payment			Jun. 30, 2020	Jun. 30, 2020
Maturities of Long-term Debt [Abstract]
2020 (remainder of)						1,274
2021						6,369
2022						5,679
2023						3,437
2024						6,582
2025						6,299
2026						4,812
Project Loans [Member] | Asset Pledged as Collateral [Member]
Long-term debt [Abstract]
Consolidated assets pledged						94,100
Working Capital Loans [Member]
Long-term debt [Abstract]
Maturity date of debt			Jan. 31, 2022	Jan. 31, 2022
Maximum borrowing capacity						25,000
Maturities of Long-term Debt [Abstract]
2020 (remainder of)						481
2021						1,925
2022						6,738
Working Capital Loans [Member] | Minimum [Member]
Long-term debt [Abstract]
Basis spread on variable rate			0.2575%	0.2575%
Working Capital Loans [Member] | Maximum [Member]
Long-term debt [Abstract]
Basis spread on variable rate			0.6775%	0.6775%
Working Capital Loans (value added tax component) [Member]
Long-term debt [Abstract]
Long-term debt						9,144	$ 9,539
Maximum borrowing capacity | ¥			¥ 140.0
Amount outstanding under credit facility			¥ 64.6			$ 9,100
Working Capital Loans (value added tax component) [Member] | Minimum [Member]
Long-term debt [Abstract]
Interest rate percentage			4.53%			4.53%
Working Capital Loans (value added tax component) [Member] | Maximum [Member]
Long-term debt [Abstract]
Interest rate percentage			4.73%			4.73%
Working Capital Loans, Fund Operations [Member]
Long-term debt [Abstract]
Maximum borrowing capacity | ¥			¥ 60.0
Proceeds from credit facility			¥ 44.8	$ 6,300
Term of loan			1 year	1 year
Working Capital Loans, Fund Operations [Member] | Minimum [Member]
Long-term debt [Abstract]
Interest rate percentage			4.37%			4.37%
Working Capital Loans, Fund Operations [Member] | Maximum [Member]
Long-term debt [Abstract]
Interest rate percentage			4.60%			4.60%
Amended and Restated Credit Agreement [Member]
Long-term debt [Abstract]
Maximum borrowing capacity						$ 100,000
Term of loan			5 years	5 years
Current borrowing capacity						50,000
Cash limit for dividends, distributions and redemption on equity						50,000
Amount outstanding under credit facility						0
Available borrowing capacity						$ 50,000
Effective interest rate			1.37%			1.37%
Equipment Loan [Member]
Long-term debt [Abstract]
Maximum borrowing capacity		$ 35,000
Proceeds from debt	$ 3,500
Equipment Loan [Member] | LIBOR [Member]
Long-term debt [Abstract]
Basis spread on variable rate		1.00%
Term of variable rate		30 days
Effective interest rate			1.79%			1.79%