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Long Term Payables (Details) ¥ in Thousands, $ in Thousands			1 Months Ended
	Jan. 03, 2019 USD ($)	Jan. 03, 2019 CNY (¥)	May 27, 2020 USD ($)	May 27, 2020 CNY (¥)	Apr. 26, 2019 USD ($)	Apr. 26, 2019 CNY (¥)
Debt Disclosure [Abstract]
Aggregate proceeds	$ 3,080	¥ 21,250	$ 1,420	¥ 10,000	$ 2,120	¥ 14,660
Initial term	3 years	3 years	2 years	2 years	2 years	2 years

X

- References

No definition available.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980

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- Definition

The cash inflow from sale of machinery and equipment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

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