XML 40 R28.htm IDEA: XBRL DOCUMENT v3.26.1
Note 2 - Significant Accounting Policies (Details Textual) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Deposits with Clearing Organizations and Others, Securities [1] $ 84,449,167 $ 52,782,806
[1] Cost of short-term investments held at the broker (restricted): $84,453,985 and $52,774,574, respectively.