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Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement Of Stockholders Equity [Abstract]
Discounts and commission	$ 664	$ 5,040
Direct offering costs		$ 3,203

X

- Definition

Amount of deductions from cost to investors of capital shares or other capital units for fees, loads and other charges.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.16(b)(3))
-URI http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996

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Balance Type:	debit
Period Type:	instant

X

- Definition

Cost to investors of each class of capital shares or other capital units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.16(b)(1))
-URI http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996

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X

- References

No definition available.

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Balance Type:	na
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