v3.26.1
Annual Fund Operating Expenses - TANAKA Growth Fund - Class R
Mar. 31, 2026
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 1.00%
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.70%
Expenses (as a percentage of Assets) 1.95%
Fee Waiver or Reimbursement 0.00% [1]
Net Expenses (as a percentage of Assets) 1.95%
[1] Pursuant to a written expense limitation agreement, the Fund's Adviser has agreed to waive or limit its fees and assume other expenses of the Fund (excluding interest, taxes, brokerage commissions and other expenditures capitalized in accordance with generally accepted accounting principles or other extraordinary expenses), so that the Fund’s ratio of total annual operating expenses is limited to 2.45% for Class R shares. The expense limitation agreement is effective on an annual basis and may be terminated only by the Board of Trustees by providing 90 days notice, or if the Adviser ceases to serve as adviser to the Fund. The Adviser is entitled to reimbursement of fees waived or expenses assumed subject to the limitations that (i) the reimbursements is made for fees waived or expenses incurred not more than three years prior to the date of the reimbursement and (ii) the reimbursement may not be made if it would cause the Fund’s annual expense limitation to be exceeded for Class R Shares. Further, any recoupments will be subject to any lower expenses limitations that have been later implemented by the Board.