Expense Example - Oberweis China Opportunities Fund |
Sep. 11, 2025
USD ($)
|
|---|---|
| Investor Class | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 183 |
| Expense Example, with Redemption, 3 Years | 641 |
| Expense Example, with Redemption, 5 Years | 1,126 |
| Expense Example, with Redemption, 10 Years | 2,465 |
| Institutional Class | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 158 |
| Expense Example, with Redemption, 3 Years | 567 |
| Expense Example, with Redemption, 5 Years | 1,002 |
| Expense Example, with Redemption, 10 Years | $ 2,213 |