Stockholders' Equity - June 2021 Equity Offering (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount paid for clearing fees	$ 19
Institutional investors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock (in shares)	990,100
Sale of common stock (USD per share)	$ 5.05
Amount paid for placement agent commissions	$ 400
Amount paid related to expenses for registered direct offering and concurrent private placement	51
Offering costs paid on the issuance of common stock and warrants		$ 470
Proceeds from sale of common stock and warrants	$ 4,500

Payments For Clearing Fees

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- Definition

Payments For Placement Agent Commissions

+ References

No definition available.

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- Definition

Payments Related To Expenses For Registered Direct Offering And Concurrent Private Placement

+ References

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- Definition

Proceeds from the Issuance of Common Stock and Warrants, Net of Issuance Costs

+ References

No definition available.

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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