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Investment (Details) - USD ($)		12 Months Ended
Investment (Details) - USD ($)	Mar. 06, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Purchase of investments		$ 0	$ 0	$ 497,000
Impairment loss		$ 0
Delix Therapeutics, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership percentage in Delix Therapeutics, Inc	8.00%
Delix Therapeutics, Inc.
Schedule of Equity Method Investments [Line Items]
Purchase of investments	$ 500,000