v3.26.1
Condensed Consolidated Statements of Cash Flows - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Operating activities:        
Net loss $ (4,494,178) $ (4,992,720) $ (9,115,026) $ (9,530,256)
Adjustments to reconcile net loss to net cash used in operating activities:        
Depreciation and amortization 139,775 97,648 222,223 128,808
Stock-based compensation expense 290,914 55,534 124,847 96,013
Amortization of right-of-use assets 81,732 78,204 159,640 142,819
Gain on disposal of assets     (1,863) 0
Changes in operating assets and liabilities:        
Accounts receivable 27,768 0 (56,000) 0
Other receivables 5,806 10,000 4,085 (10,000)
Prepaid expenses     201,440 1,883,294
Prepaid expenses and other current assets (1,093,377) (38,380)    
Accounts payable 349,786 (31,443) (411,808) 318,541
Accrued expenses and other current liabilities 563,666 154,717 (62,327) (169,527)
Current portion of operating lease liabilities (79,504) (78,029) (158,391) (115,723)
Net cash used in operating activities (4,207,612) (4,744,469) (9,093,180) (7,256,031)
Investing activities:        
Purchases of property and equipment (190,472) (106,699) (252,017) (835,099)
Net cash used in investing activities (190,472) (106,699) (252,017) (835,099)
Financing activities:        
Proceeds from issuance of Series Seed-1 Preferred Stock, net of issuance costs     0 4,986,059
Proceeds from stock option exercises 13,131 0 10,218 0
Repurchases of common stock (21) 0 0 (30)
Net cash provided by financing activities 13,110 0 10,218 4,986,029
Effect of exchange rate changes on cash and cash equivalents (10,157) 751 (10,836) (12,159)
Net decrease in cash and cash equivalents (4,395,131) (4,850,417) (9,345,815) (3,117,260)
Cash and cash equivalents, beginning of year 16,546,908 25,892,723 25,892,723 29,009,983
Cash and cash equivalents, end of year 12,151,777 21,042,306 16,546,908 25,892,723
Supplemental disclosure of noncash investing and financing activities:        
Remeasurement of operating right-of-use assets and lease liabilities upon lease modification     216,358 0
Operating right-of-use assets obtained in exchange for new operating lease liabilities     $ 0 $ 655,872
Property and equipment additions included in accounts payable and accrued expenses $ 70,257 $ 0