Note 12 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

(in thousands)
March 31, 2023	Level 1		Level 2		Level 3		Total
Contingent consideration	$	—	$	—	$	570	$	570
Front Line Power Construction seller financed debt, net of discount		—		69,000		—		69,000
Financial instrument liability - related to Syndicated debt		—		—		607		607
Financial instrument liability - related to Front Line Power Construction seller financed debt		—		—		44,785		44,785
Prepaid advance agreement		—		—		—		—
Warrant liability		—		—		1,131		1,131
Total liabilities	$	—	$	69,000	$	47,092	$	116,093

December 31, 2022	Level 1		Level 2		Level 3		Total
Contingent consideration	$	—	$	—	$	570	$	570
Front Line Power Construction seller financed debt, net of discount		—		68,753		—		68,753
Financial instrument liability - related to Syndicated debt		—		—		536		536
Financial instrument liability - related to Front Line Power Construction seller financed debt		—		—		43,693		43,693
Prepaid advance agreement		—		1,829		—		1,829
Warrant liability		—		—		1,777		1,777
Total liabilities	$	—	$	70,582	$	46,575	$	117,158

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

(in thousands)	Financial Instrument Liability - related to Syndicated debt
Balance at December 31, 2022	$	536
Fair value adjustment to financial instrument liability		71
Balance at March 31, 2023	$	607

(in thousands)	Financial Instrument Liability - related to FLP seller financed debt
Balance at December 31, 2022	$	43,693
Fair value adjustment to financial instrument liability		1,093
Balance at March 31, 2023	$	44,785

(In thousands)	Warrant Liability
Balance at December 31, 2022	$	1,777
Fair value adjustment to warrant liability		(646	)
Balance at December 31, 2022	$	1,131