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Stockholders' Equity - Additional Information (Detail) - USD ($) |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |
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Aug. 21, 2025 | Jun. 13, 2025 | Jun. 11, 2025 | Mar. 19, 2025 | Feb. 12, 2025 | Jan. 10, 2025 | Jan. 08, 2025 | Jan. 03, 2025 | Jan. 25, 2024 | Feb. 28, 2025 | Sep. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2024 | Sep. 17, 2025 | Mar. 11, 2025 | Dec. 31, 2023 | Nov. 09, 2023 | Nov. 09, 2021
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 50,000,000 |  |  |  | 50,000,000 | 50,000,000 |  | 50,000,000 |  |  |  |  |
Preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 80,623 |  | $ 89,458 |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 3,000,000,000 |  |  |  | 3,000,000,000 | 3,000,000,000 |  | 3,000,000,000 |  |  |  |  |
Common stock par or stated value per share (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 |  |  |  |  |
Common stock, shares, issued (in shares) |  |  |  |  |  |  |  |  |  |  | 94,612,750 |  |  |  | 94,612,750 | 77,076,129 |  | 77,076,129 |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  | 94,612,750 |  |  |  | 94,612,750 | 77,076,129 |  | 77,076,129 |  |  |  |  |
Sale of stock, price per share (in usd per share) |  |  |  |  |  |  |  |  | $ 0.32 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in exercise of stock options (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |
Authorized debt and equity securities |  |  |  |  |  | $ 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,000,000 |  |  |  |
Equity instruments other than options, grants in period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,887,500 |  |  |  |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,000,000 |  | 6,000,000 | 2,500,000
2025 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 |  |  |  |
Warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  | $ 1 |  |  |  |  | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised (in usd per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.83 |  |  | $ 0.41 |  |  |  |  |
Shares issued in exercise of stock options (in shares) |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  | 8,509,926 | 6,437,501 |  | 10,331,035 |  |  |  |  |
Exercised warrants (in shares) |  |  |  |  | 1,080,717 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options, grants in period, weighted average exercise price (in usd pre share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.15 |  |  | $ 0.34 |  |  |  |  |
Remaining warrants (in shares) |  |  |  |  |  |  |  |  |  |  | 5,653,981 |  |  |  | 5,653,981 | 8,744,698 |  | 8,744,698 |  |  | 7,444,698 |  |
Warrant | March 2025 Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants or rights (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 1.08 |  |  |  | $ 1.08 |  |  |  |  |  |  |  |
Exercised warrants (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,755,543 |  |  |  |  |  |  |  |
Proceeds from warrant exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,900,000 |  |  |  |  |  |  |  |
Warrant expiration period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |  |  |  |  |  |
Warrants expired in period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,744,457 |  |  |  |  |  |  |  |
Warrant | June 2025 Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants or rights (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 1.22 |  |  |  | $ 1.22 |  |  |  |  |  |  |  |
Exercised warrants (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,673,666 |  |  |  |  |  |  |  |
Proceeds from warrant exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,480,000 |  |  |  |  |  |  |  |
Warrant expiration period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |  |  |  |  |  |
Warrants expired in period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 493,001 |  |  |  |  |  |  |  |
Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised (in usd per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.210 |  |  |  |  |  |  |  |
Options, grants in period, weighted average exercise price (in usd pre share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.07 |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues (in shares) | 125,000 |  |  |  |  |  |  | 110,028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining warrants (in shares) |  |  |  |  |  |  |  |  |  |  | 10,432,500 |  |  |  | 10,432,500 | 9,515,000 |  | 9,515,000 |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity instruments other than options, grants in period (in shares) |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  | 515,464 |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Non-cash stock based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 146,768 |  |  |  |  |  |  |  |
Cash payment |  |  | $ 146,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service-Based Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash stock based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,103,344 |  |  |  |  |  |  |  |
Warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants or rights (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 0.35 |  |  |  | $ 0.35 | $ 0.35 |  | $ 0.35 |  |  |  |  |
Warrants (in shares) |  |  |  |  |  |  |  |  |  |  | 8,437,501 |  |  |  | 8,437,501 |  |  |  |  |  |  |  |
Exercisable term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in exercise of stock options (in shares) |  |  |  |  |  |  |  |  |  |  | 125,000 | 110,028 |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 3,080,014 | 5,357,487 | 17,536,621 |  |  |  |  |  |  |  |
Common Stock | Warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants (in shares) |  |  |  |  | 1,080,717 |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants or rights (in usd per share) |  |  |  |  |  |  |  |  | 0.319 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants or rights (in usd per share) |  |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warrants issued |  |  |  |  |  |  |  |  | 3,193,534 |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  |  |  |  |  |  |  |  | 5,243,967 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  | $ 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Offering | March 2025 Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  |  |  | 4,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in usd per share) |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  | $ 4,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Offering | June 2025 Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  | 4,166,667 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share (in usd per share) |  | $ 1.20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Preferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  | 10,000,000 | 10,000,000 |  | 10,000,000 |  |  |  |  |
Preferred stock par or stated value per share (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  | 5,875,000 |  |  |  | 5,875,000 | 5,875,000 |  | 5,875,000 |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  |  |  |  |  |  |  | 5,875,000 |  |  |  | 5,875,000 | 5,875,000 |  | 5,875,000 |  |  |  |  |
Conversion of stock, shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 587,500 |  |  |  |  |  |  |  |
Preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 54,808 |  | 54,808 |  |  |  |  |  |
Series B Preferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  | 10,000,000 |  |  |  |  |  |  |  |
Preferred stock par or stated value per share (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  | 0 | 0 |  | 0 |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  | 0 | 0 |  | 0 |  |  |  |  |
Series C Preferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  | 10,000,000 | 10,000,000 |  | 10,000,000 |  |  |  |  |
Preferred stock par or stated value per share (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  | 570,000 |  |  |  | 570,000 | 770,000 |  | 770,000 |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  |  |  |  |  |  |  |  |  | 570,000 |  |  |  | 570,000 | 770,000 |  | 770,000 |  |  |  |  |
Conversion of stock, shares converted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 356,250 |  |  |  |  |  |  |  |
Preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,815 |  | $ 34,650 |  |  |  |  |  |
Shares issued on conversion (in shares) |  |  |  |  |  |  | 0.625 | 0.625 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Preferred | Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares converted (in shares) |  |  |  |  |  |  | 200,000 | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Preferred | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock, shares issued (in shares) |  |  |  |  |  |  | 125,000 | 125,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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