| NBSMX | NRGSX | NBSMX / NRGSX | |
| Total Expense Ratio | 0.91 | 0.74 | 123% |
| Annual Report Gross Expense Ratio | 1.13 | 0.74 | 153% |
| Fund Existence | 18 years | 13 years | - |
| Gain YTD | 9.710 | -5.295 | -183% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 526M | 8.35B | 6% |
| Annual Yield % from dividends | 0.00 | 0.07 | - |
| Returns for 1 year | -0.51 | -17.02 | 3% |
| Returns for 3 years | 45.24 | -3.23 | -1,402% |
| Returns for 5 years | 8.32 | -9.42 | -88% |
| Returns for 10 years | 89.45 | 4.62 | 1,935% |