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v3.23.1

Company Overview and Equity Transactions (Details) |  |  |  |  | 12 Months Ended | 25 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 07, 2022 USD ($) | Jun. 06, 2022 USD ($) shares | Mar. 26, 2021 USD ($) | Sep. 11, 2019 USD ($) $ / shares | Dec. 31, 2022 USD ($) licensedCommercializedProduct $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) licensedCommercializedProduct $ / shares shares | Apr. 12, 2022 USD ($)
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Number of licensed commercialized products | licensedCommercializedProduct |  |  |  |  | 5 |  | 5 |
Common stock, par or stated value per share (in dollars per share) | $ / shares |  |  |  |  | $ 0.001 | $ 0.001 | $ 0.001 |
Cost of common stock issued under equity offering |  |  |  |  | $ (289,000) | $ (1,291,000) |  |
Ownership limitation, maximum percent of beneficial ownership |  |  |  |  |  |  |  | 9.99%
Common stock, shares outstanding (in shares) | shares |  |  |  |  | 54,827,734 | 41,228,736 | 54,827,734 |
Common Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock issued under equity offering (in shares) | shares |  |  |  |  | 2,860,538 | 6,550,486 |  |
Equity Distribution Agreement |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  |  |  | $ 25,000,000 |  |  |  |
Common stock, par or stated value per share (in dollars per share) | $ / shares |  |  |  | $ 0.001 |  |  |  |
Equity Distribution Agreement | Maximum |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price | $ 35,000 |  |  |  |  |  |  |
At The Market Offering, Amendment One | Maximum |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  |  | $ 50,000,000 |  |  |  |  |
At The Market Offering |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Consideration received on sale of stock |  |  |  |  | $ 3,907,000 | $ 29,778,000 | $ 39,740,000 |
Remaining amount available for offering |  |  |  |  | 33,416,000 |  |  |
Number of shares issued in transaction (in shares) | shares |  |  |  |  |  |  | 10,341,957 |
Lincoln Park Agreement |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Consideration received on sale of stock |  |  |  |  | $ 1,987,000 |  |  |
Right to sell common stock, value |  |  |  |  |  |  |  | $ 40,000
Agreement term (in months) |  |  |  |  |  |  |  | 36 months
Number of shares issued in transaction (in shares) | shares |  |  |  |  | 1,600,000 |  |  |
Commitment shares issued (in shares) | shares |  |  |  |  | 236,491 |  |  |
Securities Purchase Agreement |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) | shares |  | 4,850,000 |  |  |  |  |  |
Common stock entitled to purchasers by pre-funded warrants (in shares) | shares |  | 4,000,000 |  |  |  |  |  |
Stock to be purchased by common stock warrants (in shares) | shares |  | 8,850,000 |  |  |  |  |  |
Net proceeds after placement agent fees, expenses, and offering expenses payable |  | $ 7,796,000 |  |  |  |  |  |

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