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Summary of Significant Accounting Policies - Other (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Variable Interest Entity [Line Items] |  |  |
Weighted Average Number of Shares Outstanding, Diluted | 2,195,670 | 3,534,579 |
Tax Benefits Recognized (in Percent) | 50.00% |  |
Assets | $ 12,653,000 |  | $ 18,637,000
Funds Received | 108,000 |  |
CHINA |  |  |
Variable Interest Entity [Line Items] |  |  |
Assets | $ 149,000 |  | $ 199,000

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