Note 6‑ Goodwill and Intangible Assets (Successor)

Changes in goodwill during the year ended December 31, 2020 and the period October 4, 2019 through December 31, 2019 is as follows:


Balance at October 4, 2019	$	—
Acquisition of ANC Green Solutions I		4,309,766
Balance at December 31, 2019		4,309,766
Acquisition of ANC Smith's		2,185,748
Acquisition of ANC Potter's		1,417,609
Balance at December 31, 2020	$	7,913,123

As of December 31, 2020 and 2019, the Company’s intangible assets consisted of the following:


	Weighted average	December 31, 2020
	amortization period
	(in years)	Gross		Accumulated 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


	Weighted average	December 31, 2019
	amortization period
	(in years)	Gross		Accumulated Amortization		Net
Tradenames	6	$	251,000	$	(10,458)	$	240,542
Customer relationships	6		1,712,000		(71,334)		1,640,666
		$	1,963,000	$	(81,792)	$	1,881,208

Amortization expense was $0.7 million and $0.1 million for the year ended December 31, 2020 and the successor period October 4, 2019 to December 31, 2019, respectively.

The estimated aggregate amortization expense for intangible assets over the next five fiscal years and thereafter is as follows:


2021		797,920
2022		797,920
2023		797,920
2024		781,670
2025		535,087
Thereafter		257,173