Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

14.

Goodwill and Intangible Assets

As of June 30, 2024, the Company had a goodwill balance of $12.2 million. The goodwill balance is related to the acquisition of fSight. Please refer to Note 4. “Acquisition of Foresight Energy, Ltd.” for further information.

The Company's intangible assets by major asset class are as follows:


	June 30, 2024
(in thousands, except for useful life amounts)	Weighted Average Useful Life (Years)	Gross		Accumulated Amortization			Net Book Value
Amortizing:
Patents	6.7	$	450	$	(101	)	$	349
Customer relationships	10.0		170		(24	)		146
Developed technology	10.0		1,820		(258	)		1,562
Total intangible assets		$	2,440	$	(383	)	$	2,057


	December 31, 2023
(in thousands, except for useful life amounts)	Weighted Average Useful Life (Years)	Gross		Accumulated Amortization			Net Book Value
Amortizing:
Patents	6.7	$	450	$	(65	)	$	385
Customer relationships	10.0		170		(16	)		154
Developed technology	10.0		1,820		(167	)		1,653
Total intangible assets		$	2,440	$	(248	)	$	2,192

The Company recognized amortization expense related to intangible assets of $0.1 million and $0.1 million for the three months ended June 30, 2024, and 2023, respectively. The Company recognized amortization expense related to acquired intangible assets of $0.1 million and $0.1 million for the six months ended June 30, 2024, and 2023, respectively.

Amortization expense related to intangible assets at June 30, 2024, in each of the next five years and beyond is expected to be incurred as follows:


(in thousands)	Amount
Remainder of 2024	$	135
2025		270
2026		270
2027		262
2028		260
Thereafter		860
	$	2,057