Annual report [Section 13 and 15(d), not S-K Item 405]

Income taxes - Schedule of Deferred Tax Assets (Details)

v3.25.1
Income taxes - Schedule of Deferred Tax Assets (Details) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]    
Net operating loss carryforwards $ 12,025,000 $ 10,840,000
R&D and ITC credit carryforwards 396,000 403,000
Accrued expenses and other 267,000 381,000
Intangibles 370,000 499,000
Leases 0 8,000
Accounts receivable 76,000 39,000
Stock options 486,000 450,000
Inventory 279,000 427,000
Property, plant and equipment 578,000 650,000
Other 464,000 323,000
Deferred tax assets 14,941,000 14,020,000
Valuation allowance (14,941,000) (14,020,000)
Deferred tax assets, net $ 0 $ 0