Note 1 - Organization and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	As of
	June 30,
	2024		2023
Unvested restricted stock		9,872,652		8,324,240
Options		4,667,279		4,799,523
Warrants		312,272		312,272
Shares issuable upon note conversion		21,434		20,323
Total		14,873,637		13,456,358

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended					Six months ended
	June 30,					June 30,
(in thousands, except share and per share data)	2024		2023			2024			2023
Net income (loss)		6,879		(47,610	)		(3,828	)		(86,841	)
Weighted-average common shares outstanding		144,727,482		141,503,738			145,464,255			140,911,295
Dilutive effect of potential common shares		14,696,089		-			-			-
Weighted-average common shares outstanding assuming dilution		159,423,571		141,503,738			145,464,255			140,911,295
Net income (loss) per share - basic		0.05		(0.34	)		(0.03	)		(0.62	)
Net income (loss) per share - diluted		0.04		(0.34	)		(0.03	)		(0.62	)