Note 13 - Deferred Revenue - Balances (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
Comstock Metals deferred revenue - current	$ 3,913,173	$ 2,166,517
Oklahoma Grant [Member]
OKL Award deferred revenue - current	66,666	66,666
OKL Award deferred revenue - noncurrent	1,854,158	1,887,500
Comstock Metals [Member]
Comstock Metals deferred revenue - current	$ 3,846,507	$ 2,099,851	$ 151,939

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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