INTANGIBLES (FY) (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The following is a summary of finite-lived intangible assets as of March 31, 2024 and December 31, 2023, in thousands:

	March 31, 2024
	Cost	Accumulated Amortization	Net
Customer relationships	$301	$(125)	$176
	$301	$(125)	$176

	December 31, 2023
	Cost	Accumulated Amortization	Net
Customer relationships	$301	$(110)	$191
	$301	$(110)	$191

The following is a summary of finite-lived intangible assets as of December 31, 2023 and 2022, in thousand:

	December 31, 2023
	Cost	Accumulated Amortization	Net
Customer relationships	$301	$(110)	$191
	$301	$(110)	$191

	December 31, 2022
	Cost	Accumulated Amortization	Net
Customer relationships	$301	$(49)	$252
	$301	$(49)	$252

Schedule of Finite-Lived Intangible Assets Amortization Expense

As of March 31, 2024, future amortization expense is expected to be as follows, in thousands:

	Amount
2024	$45
2025	60
2026	60
2027	11
	$176

As of December 31, 2023, future amortization expense is expected to be as follows, in thousand:

Fiscal years ending December 31,	Amount
2024	$60
2025	60
2026	60
2027	11
	$191

Schedule of Indefinite-Lived Intangible Assets

The following table summarizes the balances as of March 31, 2024 and December 31, 2023, of the indefinite-lived intangible assets, in thousands:

	March 31, 2024	December 31, 2023
Intangible asset - Part 135 certificate	$1,200	$1,200

The following table summarizes the balances as of December 31, 2023 and 2022, of the indefinite-lived intangible assets, in thousand:

	December 31, 2023	December 31, 2022
Intangible asset – Part 135 certificate	$1,200	$1,363