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General - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			9 Months Ended
	Oct. 26, 2022	Jul. 20, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Retained Earnings Accumulated Deficit			$ (447,341)		$ (420,976)
Proceeds from issuance of private placement			$ 4,896	$ 0
Subsequent Event [Member] | XNCM [Member]
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Market value of listed securities	$ 35
Cut off date on or before which compliance with the requirement of market value of listed securities is considered	Apr. 24, 2023
Number of additional days for complying with the requirement of market value of listed securities	180 days
Subsequent Event [Member] | Maximum [Member] | XNCM [Member]
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Consecutive days for complying with the requirement of market value of listed securities	20 days
Subsequent Event [Member] | Minimum [Member] | XNCM [Member]
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Consecutive days for complying with the requirement of market value of listed securities	10 days
Private Placement [Member]
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Sale Of stock price per share		$ 3.98
Proceeds from issuance of private placement		$ 5,000
Private Placement [Member] | Common Stock [Member]
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Stock issued during period shares		690,954
Private Placement [Member] | PreFundedWarrants [Member]
OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPolicies [Line Items]
Class of warrants and rights issued during the period		566,751
Class of warrants and rights issued, price per warrant		$ 3.97
Exercise price of warrant		$ 0.01

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