Subsequent Event (Details) - Loan from related party - ChaoYang Xinshuo - ChaoYang XinMei High Purity Semiconductor Materials Co., Ltd $ in Millions	1 Months Ended
Oct. 31, 2021 USD ($) item	Sep. 30, 2021 item
Subsequent Event
Loan received from number of minority investors		1
Number of minority investors		2
Subsequent Event
Subsequent Event
Loan amount \| $	$ 0.9
Interest rate	6.50%
Loan received from number of minority investors	1
Number of minority investors	2

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant