Facility Lease - Minimum rental commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Year Ended December 31, 2022
Minimum rental commitments 2022
2023	$ 1,391
2024	1,434
Total lease payments	2,825
Less: imputed interest	(224)
Total	2,601
Minimum rental commitments 2021
2022	1,391
2023	1,434
Total lease payments	2,825
Less: imputed interest	(224)
Total	$ 2,601
Year Ended December 31, 2021
Minimum rental commitments 2022
2023		$ 1,300
2024		1,391
Total lease payments		4,125
Less: imputed interest		(478)
Total		3,647
Minimum rental commitments 2021
2022		1,300
2023		1,391
2024		1,434
Total lease payments		4,125
Less: imputed interest		(478)
Total		$ 3,647

Minimum rental commitments due as of year-end 2021.

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

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- References

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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