| Other Current Assets and Accrued Expenses |
5. Other Current Assets and Accrued Expenses Other current assets consisted of the following as of the dates presented below: | | MARCH 31, | | | DECEMBER 31, | | | | 2026 | | | 2025 | | | | (Unaudited) | | Inventories | | $ | 422,673 | | | $ | 682,005 | | Prepaid project costs | | | 1,330,977 | | | | 697,360 | | Deferred contract costs | | | 1,753,502 | | | | 2,993,272 | | Prepaid expenses and other assets | | | 1,181,196 | | | | 823,976 | | | | | | | | | | | Total other current assets | | $ | 4,688,348 | | | $ | 5,196,613 | |
Accrued expenses consisted of the following as of the dates presented below: | | MARCH 31, | | | DECEMBER 31, | | | | 2026 | | | 2025 | | | | (Unaudited) | | Carrier service costs | | $ | 29,489,650 | | | $ | 25,759,570 | | Salaries and payroll taxes | | | 1,906,950 | | | | 2,012,510 | | Inventory purchases, consultants and other costs | | | 3,453,641 | | | | 3,269,533 | | Other | | | 124,320 | | | | 117,560 | | | | | | | | | | | Total accrued expenses | | $ | 34,974,561 | | | $ | 31,159,173 | |
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