v3.26.1
Annual Fund Operating Expenses
Apr. 29, 2026
Firsthand Technology Opportunities Fund  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination April 30, 2027
Firsthand Technology Opportunities Fund | Firsthand Technology Opportunities Fund  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 1.40%
Other Expenses (as a percentage of Assets): 0.47%
Expenses (as a percentage of Assets) 1.87%
Fee Waiver or Reimbursement (0.02%) [1]
Net Expenses (as a percentage of Assets) 1.85%
Firsthand Alternative Energy Fund  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination April 30, 2027
Firsthand Alternative Energy Fund | Firsthand Alternative Energy Fund  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 1.53%
Other Expenses (as a percentage of Assets): 0.55%
Acquired Fund Fees and Expenses 0.03%
Expenses (as a percentage of Assets) 2.11%
Fee Waiver or Reimbursement (0.10%)
Net Expenses (as a percentage of Assets) 2.01%
[1] Firsthand Capital Management, Inc. (the