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Common, Preferred Stock and Warrants - Public Offering and Private Placement (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 22 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 31, 2025 | Jun. 30, 2026 | Jun. 30, 2026 | Dec. 31, 2025 | Jun. 30, 2026 | Jul. 23, 2025 | Jul. 17, 2025 | Sep. 30, 2024
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Net proceeds from warrant exercises |  |  | $ 2,063 |  |  |  |  |
Weighted average |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Exercise price of warrant or right |  | $ 2.37 | $ 2.37 | $ 2.31 | $ 2.37 |  |  |
2025 Investor Warrants |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Warrants Exercised (in shares) |  |  | 1,250 |  |  |  |  |
Net proceeds from warrant exercises |  |  | $ 2,000 |  |  |  |  |
Expected term (years) |  |  |  |  |  | 2 years 6 months | 2 years 6 months |
2025 Underwriter Warrants |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Number of shares called by warrants or rights | 362,382 |  |  |  |  |  |  |
Exercise price of warrant or right | $ 1.94 |  |  |  |  |  |  |
Expected term (years) | 4 years 6 months |  |  |  |  | 2 years 8 months 26 days | 2 years 9 months |
Warrants, commencement of exercise term | 6 months |  |  |  |  |  |  |
Sales commissions | $ 300,000 |  |  |  |  |  |  |
At The Market Offering Program 2024 |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Shares issued |  | 779,040 | 963,702 |  | 9,411,509 |  |  |
Sales commissions |  | $ 46,000 | $ 59,000 |  | $ 700,000 |  |  |
Other offering expenses |  | $ 94,000 | $ 94,000 |  | $ 400,000 |  |  |
Percentage of sales commission payable |  |  |  |  |  |  |  | 3.00%
Average selling price |  | $ 1.97 | $ 2.05 |  | $ 2.54 |  |  |
Aggregate gross proceeds |  | $ 1,500,000 | $ 2,000,000 |  | $ 23,900,000 |  |  |
Net proceeds from issuance of common stock |  | $ 1,400,000 | $ 1,800,000 |  | $ 22,800,000 |  |  |
At The Market Offering Program 2024 | Maximum |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Aggregate offering price in at the market offering |  |  |  |  |  |  |  | $ 50,000,000
Public offering July 2025 |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Shares issued | 4,501,640 |  |  |  |  |  |  |
Number of shares called by warrants or rights | 2,250,820 |  |  |  |  |  |  |
Number of warrants per unit | 1 |  |  |  |  |  |  |
Number of common shares per unit | 2 |  |  |  |  |  |  |
Offering price per unit | $ 3.11 |  |  |  |  |  |  |
Effective price per share | 1.55 |  |  |  |  |  |  |
Effective price per warrant | 0.01 |  |  |  |  |  |  |
Exercise price of warrant or right | $ 1.65 |  |  |  |  |  |  |
Gross proceeds | $ 7,000,000 |  |  |  |  |  |  |
Offering expenses | 1,000,000 |  |  |  |  |  |  |
Net proceeds | $ 6,000,000 |  |  |  |  |  |  |
Public offering July 2025 | Public Warrants |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Warrants Exercised (in shares) |  |  | 1,250 | 1,146,821 |  |  |  |
Shares issued on exercise of warrants |  |  | 1,250 | 1,146,821 |  |  |  |
Net proceeds from warrant exercises |  |  | $ 2,000 | $ 1,900,000 |  |  |  |
Underwriters' option |  |  |  |  |  |  |  |
Common, Preferred Stock and Warrants |  |  |  |  |  |  |  |
Number of shares called by warrants or rights | 675,246 |  |  |  |  |  |  |
Gross proceeds | $ 1,100,000 |  |  |  |  |  |  |
Offering expenses | 100,000 |  |  |  |  |  |  |
Net proceeds | $ 1,000,000 |  |  |  |  |  |  |
Number of additional shares called by warrants received if options are exercised | 337,623 |  |  |  |  |  |  |

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