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Summary of Significant Accounting Policies - Other (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Variable Interest Entity [Line Items] |  |
Tax Benefits Recognized (in Percent) | 50.00% |
Weighted Average Number of Shares Outstanding, Diluted | 3,309,651 | 2,755,744
Assets | $ 13,279,000 | $ 11,121,000
Minority Shareholder (Member) |  |
Variable Interest Entity [Line Items] |  |
Minority shareholder ownership interest percentage | 1.00% |
CHINA |  |
Variable Interest Entity [Line Items] |  |
Assets | $ 110,000 | $ 103,000

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