Note 5 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Number of Operating Segments				4
Number of Reportable Segments				3
Goodwill, Ending Balance				$ 7,006		$ 100,899
Share Price, Reduction Percentage	42.00%	42.00%
Goodwill, Impairment Loss				95,951
Impairment of Intangible Assets, Finite-Lived				4,323
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)			$ 0	9,311
Trade Names [Member]
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)				$ 9,300
Customer Relationships [Member]
Impairment of Intangible Assets, Finite-Lived			4,300
Front Line Power Construction, LLC [Member]
Goodwill, Impairment Loss			70,200
Gibson Technical Services, Inc. [Member]
Goodwill, Impairment Loss			25,800
Orbital Solar Services [Member]
Goodwill, Ending Balance			$ 7,000
Coax Fiber Solutions (CFS) [Member]
Goodwill, Ending Balance					$ 1,500