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Other Long-Term Liabilities	6 Months Ended
Other Long-Term Liabilities	Jun. 30, 2022
Other Liabilities Disclosure [Abstract]
Other Long-Term Liabilities	7. Other Long-Term Liabilities Other long-term liabilities consisted of the following (in thousands): June 30, December 31, 2022 2021 Accrued tax provision 236 236 Accrued rent — 1 $ 236 $ 237 As of June 30, 2022 and December 31, 2021, approximately $ 0.2 million of the accrued tax provision relates to penalties and interest the Company may be subject to paying for late filing fees related to a foreign subsidiary. The Company expects these amounts to be forgiven but has accrued for them until the statute of limitations expires and it is appropriate to write them off.