Note 2 - Correction of Immaterial Errors - Revisions to Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Prepaid expenses and other current assets	$ 6,201	$ 5,024	$ 6,879
Total current assets	132,789	118,968	138,452
Total assets	446,470	544,279	450,229
Accrued expenses and other current liabilities	10,701	6,733	9,782
Sales taxes payable	4,585	2,945	4,151
Total current liabilities	47,319	37,752	44,582
Total liabilities	88,363	68,204	86,041
Accumulated deficit	(260,629)	(114,531)	(246,915)
Total shareholders’ equity	358,107	476,075	364,188	$ 478,047
Total liabilities and shareholders’ equity	446,470	544,279	$ 450,229
General and administrative	14,842	11,530
Total operating expenses	51,308	44,187
Operating loss	(13,605)	(7,967)
Interest (expense) income, net		(184)
Total other expense, net	(17)	(53)
Loss before income tax benefit	(13,622)	(8,020)
Net (loss) income	$ (13,714)	$ (7,421)
Net loss per basic and diluted share (in dollars per share)	$ (0.32)	$ (0.18)
Net (loss) income	$ (13,714)	$ (7,421)
Prepaid expenses and other current assets	661	(1,213)
Sales taxes payable	$ 510	1,543
Previously Reported [Member]
Prepaid expenses and other current assets		4,757
Total current assets		118,701
Total assets		544,012
Accrued expenses and other current liabilities		6,966
Sales taxes payable		0
Total current liabilities		35,040
Total liabilities		65,492
Accumulated deficit		(112,086)
Total shareholders’ equity		478,520
Total liabilities and shareholders’ equity		544,012
General and administrative		11,196
Total operating expenses		43,853
Operating loss		(7,633)
Interest (expense) income, net		(163)
Total other expense, net		(32)
Loss before income tax benefit		(7,665)
Net (loss) income		$ (7,066)
Net loss per basic and diluted share (in dollars per share)		$ (0.17)
Net (loss) income		$ (7,066)
Prepaid expenses and other current assets		(25)
Sales taxes payable		0
Revision of Prior Period, Adjustment [Member]
Prepaid expenses and other current assets		267
Total current assets		267
Total assets		267
Accrued expenses and other current liabilities		(233)
Sales taxes payable		2,945
Total current liabilities		2,712
Total liabilities		2,712
Accumulated deficit		(2,445)
Total shareholders’ equity		(2,445)
Total liabilities and shareholders’ equity		267
General and administrative		334
Total operating expenses		334
Operating loss		(334)
Interest (expense) income, net		(21)
Total other expense, net		(21)
Loss before income tax benefit		(355)
Net (loss) income		$ (355)
Net loss per basic and diluted share (in dollars per share)		$ (0.01)
Net (loss) income		$ (355)
Prepaid expenses and other current assets		(1,188)
Sales taxes payable		$ 1,543