Note 6 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 02, 2024	Sep. 02, 2022	Jun. 30, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	4,470,216	4,697,029	5,135,685				2,467,537
Retained Earnings (Accumulated Deficit)	$ (1,529,194)	$ (1,552,577)
Share-Based Payment Arrangement, Expense	$ 42,500	$ 37,900	$ 44,600
Earnings Per Share, Basic (in dollars per share)	$ 0.16	$ 0.09	$ (1.65)
Preferred Stock, Shares Authorized (in shares)	10,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Common Stock, Shares Authorized (in shares)	190,000,000	175,000,000
Proceeds from Issuance of Common Stock		$ 46,296	$ 0
Treasury Stock, Shares, Acquired (in shares)	326,594
Treasury Stock, Value, Acquired, Cost Method	$ 8,760
Treasury Stock, Common, Shares (in shares)	367,903	41,309
Treasury Stock, Value	$ 9,000
Maximum [Member]
Share Repurchase Program, Authorized, Amount				$ 100,000
The 2022 ATM [Member]
Common Stock, Commission Rate					3.00%
Stock Issued During Period, Shares, New Issues (in shares)		1,385,700
Proceeds from Issuance of Common Stock		$ 47,100
Share Price (in dollars per share)		$ 34.01
Proceeds from Issuance of Common Stock, Net		$ 46,300
Series A Junior Participating Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Warrants to Purchase Common Stock, Loan agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	115,042	50,172
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 17.95	$ 14.7
Class of Warrant or Right, Exercised (in shares)	147,058
Warrants and Rights Outstanding, Term (Year)	7 years
Warrants to Purchase Common Stock, First Amendment Loan Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	50,172
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 14.7
Class of Warrant or Rights, Coverage Percentage	2.95%
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	11,843,586	9,639,068	8,732,286				12,032,040
Share-Based Payment Arrangement, Expense	$ 40,100	$ 34,100	$ 41,300
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 36,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 9 months 18 days
Milestone Based Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	1,160,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 22,000
Market-based Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	3,067,678
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 29,100
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	3 years 6 months
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense	$ 2,500	3,900	3,300
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 1,600
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	1 year 6 months 29 days
Milestone-based Options [Member]
Share-Based Payment Arrangement, Expense	$ 0
Stock-based Compensation Expense Capitalized Into Inventory [Member]
Share-Based Payment Arrangement, Expense	$ 3,800	2,900
Revision of Prior Period, Error Correction, Adjustment [Member]
Retained Earnings (Accumulated Deficit)		$ 38,200
Share-Based Payment Arrangement, Expense			$ 25,500
Earnings Per Share, Basic (in dollars per share)			$ 1.65
Previously Reported [Member]
Earnings Per Share, Basic (in dollars per share)			$ 1.46
The 2012 Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	3,803,752
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	2,202,716
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	0
The 2022 Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	8,039,834
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	2,267,500
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	4,238,185
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)						17,000,000