Note 6 - Supplemental Balance Sheet and Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	June 30, 2022		December 31, 2021
Costs of construction	$	10,351	$	3,450
Employee compensation and benefits		1,640		2,497
Interest		3,470		2,063
Transaction costs		1,642		2,048
Other		1,259		901
	$	18,362	$	10,959

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Six months ended
	June 30, 2022		June 30, 2021
Accrued costs of construction, including capitalized interest	$	12,702	$	149
Accrued equity issuance costs		1,684		302
Debt issuance costs and premium amortized to cost of construction		153		750
Net gain on extinguishment of related party notes		-		5,371
Settlement of related party note payable by issuing equity		-		1,250

	Six months ended
	June 30, 2022			June 30, 2021
Right-of-use assets obtained in exchange for operating lease liabilities	$	2,838		$	25,720
Net decrease in right-of-use assets and operating lease liabilities due to lease remeasurement		(12,189	)		-

	Six months ended
	June 30, 2022		June 30, 2021
Interest paid	$	2,063	$	540

	Six months ended
	June 30, 2022		June 30, 2021
Cash, beginning of year	$	6,805	$	-
Restricted cash, beginning of year		197,130		72
Cash and restricted cash, beginning of year	$	203,935	$	72
Cash, end of period	$	3,796	$	15,604
Restricted cash, end of period		38,392		4,976
Cash and restricted cash, end of period	$	42,188	$	20,580