| Goodwill and Intangible Assets |
Note 6- Goodwill and Intangible Assets Changes in goodwill for the six months ended June 30, 2021 consists of the following: | | | | | | Goodwill | Balance at December 31, 2020 | | | 7,913,123 | Acquisition of Zodega subsidiaries | | | 4,320,401 | Balance at June 30, 2021 | | $ | 12,233,524 |
As of June 30, 2021 and December 31, 2020, the Company’s intangible assets consisted of the following: | | | | | | | | | | | | | | Weighted average | | June 30, 2021 | | | amortization period | | | | | Accumulated | | | | | | (in years) | | Gross | | Amortization | | Net | Tradenames | | 7.5 | | $ | 932,000 | | $ | (189,187) | | $ | 742,813 | Customer relationships | | 5.7 | | | 3,289,000 | | | (902,725) | | $ | 2,386,275 | Non-compete agreements | | 6.6 | | | 564,000 | | | (124,357) | | $ | 439,643 | | | | | $ | 4,785,000 | | $ | (1,216,269) | | $ | 3,568,731 |
| | | | | | | | | | | | | | Weighted average | | December 31, 2021 | | | amortization period | | | | | Accumulated | | | | | | (in years) | | Gross | | Amortization | | Net | Tradenames | | 7.5 | | $ | 932,000 | | $ | (125,708) | | $ | 806,292 | Customer relationships | | 5.7 | | | 3,289,000 | | | (611,709) | | $ | 2,677,291 | Non-compete agreements | | 6.6 | | | 564,000 | | | (79,893) | | $ | 484,107 | | | | | $ | 4,785,000 | | $ | (817,310) | | $ | 3,967,690 |
Amortization expense was $199,479 and $398,959 for the three and six months ended June 30, 2021, respectively, and $201,480 and $336,558 for the three and six months ended June 30, 2020, respectively. The estimated aggregate amortization expense for intangible assets over the next five fiscal years and thereafter is as follows: | | | | 2021 (excluding the six months ended June 30, 2021) | | $ | 398,960 | 2022 | | | 797,920 | 2023 | | | 797,920 | 2024 | | | 781,670 | 2025 | | | 535,087 | Thereafter | | | 257,174 | Total | | $ | 3,568,731 |
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