Note 4 - Cost of Construction and Constructed Assets (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Schedule of Constructed Assets, Net and Cost of Construction [Table Text Block]

	June 30, 2023			December 31, 2022
Constructed assets, net of accumulated depreciation:
Buildings, SGR (Phase I), BNA, and OPF (Phase I)	$	80,464		$	40,921
Accumulated depreciation		(2,052	)		(1,212	)
	$	78,412		$	39,709
Cost of construction:
OPF (Phase II), APA, DVT, and ADS	$	33,270		$	48,242