Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Name:	us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Income Taxes - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Loss Carryforwards [Line Items]
Provision for income taxes		$ 0	$ 0	$ 0	$ 0
Research and development tax credit utilized as reduction of payroll expenses				$ 79,000	$ 262,000
Research and development tax credit utilized against employer's portion of payroll tax	$ 250,000
U S [Member]
Operating Loss Carryforwards [Line Items]
Research and development activities amortize period				5 years
Non - U S [Member]
Operating Loss Carryforwards [Line Items]
Research and development activities amortize period				15 years