Shareholders' Equity - Common Stock Purchase Agreement (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Aug. 03, 2022 |
Dec. 15, 2021 |
Sep. 30, 2022 |
Sep. 30, 2022 |
|
| Subsidiary, Sale of Stock [Line Items] | ||||
| Gross proceeds from the PIPE | $ 1,454,000 | |||
| B. Riley Principal Capital | ||||
| Subsidiary, Sale of Stock [Line Items] | ||||
| Fees incurred | $ 56,000 | 456,000 | ||
| Gross proceeds from the PIPE | 1,298,000 | 10,117,000 | ||
| Deferred equity issuance costs | $ 0 | $ 587,000 | ||
| Common stock reserved for the purchase agreement (in shares) | 16,436,000 | 16,436,000 | ||
| B. Riley Principal Capital | Common stock, $0.0001 par value per share | ||||
| Subsidiary, Sale of Stock [Line Items] | ||||
| Common stock purchase agreement, maximum consideration to be received | $ 100,000,000 | $ 100,000 | ||
| Common stock purchase agreement, maximum shares to be issued (in shares) | 20,143,000 | |||
| Common stock purchase agreement term | 24 months | |||
| Aggregate shares of common stock sold (in shares) | 360 | 3,510,000 |