| Intangible Assets, Net Intangible assets, net, consisted of the following (in thousands):
| | | | | | | | | | | | | | | | | | | | | | | | | July 31, 2023 | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Amortization Period | Amortizable intangible assets | | | | | | | | | Customer relationships | $ | 3,119 | | | $ | (54) | | | $ | 3,065 | | | 10 years | | Restrictive covenant relationships | 186 | | | (16) | | | 170 | | | 2 years | | Trademark | 465 | | | (78) | | | 387 | | | 1 year | | Total amortizable intangible assets | 3,770 | | | (148) | | | 3,622 | | | | Non-amortizable intangible assets | | | | | | | | | Technology licenses | 500 | | | — | | | 500 | | | n/a | | Total intangible assets, net | $ | 4,270 | | | $ | (148) | | | $ | 4,122 | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | January 31, 2023 | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Amortization Period | Non-amortizable intangible assets | | | | | | | | | Technology licenses | $ | 500 | | | $ | — | | | $ | 500 | | | n/a | | Total | $ | 500 | | | $ | — | | | $ | 500 | | | |
Intangible amortization expense was approximately $0.1 million for the three months ended July 31, 2023. There was no intangible amortization expense for the three months ended July 31, 2022.
As of July 31, 2023, future amortization expense by fiscal year is expected to be as follows (in thousands): | | | | | | | Amount | | Remainder of 2024 | $ | 432 | | | 2025 | 560 | | | 2026 | 343 | | | 2027 | 312 | | | 2028 | 312 | | | Thereafter | 1,663 | | | Total | $ | 3,622 | |
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