Note 3 - Digital Assets - Summary of Digital Assets (Details) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|||
| Proceeds from the sale of TAO tokens | $ 1,172,000 | $ 0 | |||||
| Realized Gain (Loss) | $ (166,000) | $ 0 | (114,000) | 0 | |||
| Unrealized Net Loss on Fair Value Remeasurement | (2,295,000) | $ 31,000 | (97,000) | $ 31,000 | $ (3,519,000) | ||
| Balance, fair value | $ 4,709,000 | $ 4,709,000 | |||||
| Bittensor (TAO) [Member] | |||||||
| Crypto Asset, Units Sold | 2,502.23 | 3,959.23 | |||||
| Proceeds from the sale of TAO tokens | $ 650,000 | $ 1,172,000 | |||||
| Crypto Asset, Sale Cost | 816,000 | 1,286,000 | |||||
| Realized Gain (Loss) | $ (166,000) | $ (114,000) | |||||
| Balance, tokens | 24,665.44 | 0 | 0 | ||||
| Balance, fair value | $ 5,395,000 | $ 0 | $ 0 | ||||
| Tokens purchased, tokens | 1,900 | 1,900 | 24,127.62 | ||||
| Crypto purchases, fair value | $ 506,000 | $ 506,000 | $ 8,736,000 | ||||
| Non-Cash Fees | [1] | (6.14) | |||||
| Non-Cash Fees, fair value | [1] | $ (8,000) | |||||
| Unrealized Net Loss on Fair Value Remeasurement | $ (2,295,000) | $ (97,000) | |||||
| TAO Token Sales, tokens | (2,502.23) | (3,959.23) | |||||
| TAO Token Sales, fair value | $ (816,000) | $ (1,286,000) | |||||
| Balance, tokens | 23,335.18 | 23,335.18 | 24,665.44 | ||||
| Balance, fair value | $ 4,709,000 | $ 4,709,000 | $ 5,395,000 | ||||
| Bittensor (TAO) Staking Rewards [Member] | |||||||
| Tokens purchased, tokens | 380.53 | 6.57 | 728.97 | 6.57 | 543.96 | ||
| Crypto purchases, fair value | $ 105,000 | $ 2,000 | $ 191,000 | $ 2,000 | $ 186,000 | ||
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