Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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

Debt - Revolving Credit Facility Borrowings, Net (Details)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 CNY (¥)
Bank indebtedness [Line Items]
Borrowings	$ 0
Revolving Credit Facility [Member]
Bank indebtedness [Line Items]
Unamortized debt issuance costs			$ (1,140,000)
Revolving Credit Facility Borrowings, net			2,472,000
Bank of China Facility [Member]
Bank indebtedness [Line Items]
Borrowings		¥ 0	3,600,000	¥ 23,000,000.0
Bank of China Facility [Member] \| Revolving Credit Facility [Member]
Bank indebtedness [Line Items]
Borrowings			$ 3,612,000