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Stockholders' Equity - Summary of Common Stock Warrant Activity (Details) - Warrants - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Jun. 30, 2020
Class Of Stock [Line Items] |  |
Number of Shares Underlying Warrants, Outstanding June 30, 2021 | 2,393,000 |
Number of Shares Underlying Warrants, Outstanding December 31, 2021 | 2,393,000 |
Weighted Average Exercise Price, Outstanding June 30, 2021 | $ 2.40 |
Weighted Average Exercise Price, Outstanding December 31, 2021 | $ 2.40 |
Aggregate Fair Market Value at Issuance, Outstanding June 30, 2021 | $ 3,747 |
Aggregate Fair Market Value at Issuance, Outstanding December 31, 2021 | $ 3,747 |
Weighted Average Remaining Contractual Term (Years), Outstanding | 4 years 1 month 6 days | 4 years 7 months 17 days

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