| NBSMX | NRGSX | NBSMX / NRGSX | |
| Total Expense Ratio | 0.91 | 0.74 | 123% |
| Annual Report Gross Expense Ratio | 1.11 | 0.74 | 150% |
| Fund Existence | 18 years | 13 years | - |
| Gain YTD | 16.334 | 17.380 | 94% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 697M | 7.51B | 9% |
| Annual Yield % from dividends | 0.00 | 0.45 | - |
| Returns for 1 year | 18.52 | -1.41 | -1,317% |
| Returns for 3 years | 58.61 | 5.65 | 1,038% |
| Returns for 5 years | 11.49 | -19.01 | -60% |
| Returns for 10 years | 126.93 | 15.20 | 835% |