Note Q - Stockholders' Equity (Details Textual) - USD ($)				1 Months Ended						8 Months Ended	12 Months Ended
	Dec. 23, 2024	Nov. 22, 2024	Nov. 07, 2024	Nov. 30, 2024	Sep. 30, 2024	Aug. 31, 2024	Jun. 30, 2024	May 31, 2024	Mar. 31, 2024	Nov. 06, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 06, 2024	Mar. 13, 2024	Dec. 05, 2023	Jan. 05, 2023
Common Stock, Shares Authorized (in shares)											80,000,000	80,000,000
Preferred Stock, Shares Authorized (in shares)											5,000,000	5,000,000
Proceeds from Issuance of Common Stock											$ 146,293,000	$ 68,984,000	$ 1,238,000
Common Stock, Par or Stated Value Per Share (in dollars per share)											$ 0.001	$ 0.001				$ 0.001
Initial ATM Offering [Member] | Raymond James & Associates, Inc. [Member]
Common Stock, Maximum Amount to be Sold																	$ 185,000,000
First ATM Agreement [Member] | Raymond James & Associates, Inc. [Member]
Common Stock, Maximum Amount to be Sold														$ 60,000,000	$ 25,000,000
Stock Issued During Period, Shares, New Issues (in shares)										5,700,000
Shares Issued, Price Per Share (in dollars per share)										$ 10.55
Proceeds from Issuance of Common Stock										$ 58,700,000
Second ATM Offering [Member] | Raymond James & Associates, Inc. [Member]
Common Stock, Maximum Amount to be Sold			$ 55,000,000
Stock Issued During Period, Shares, New Issues (in shares)		1,800,000		1,764	1,006	2,923	760	719	270		7,442
Shares Issued, Price Per Share (in dollars per share)		$ 31.17
Proceeds from Issuance of Common Stock		$ 53,900,000		$ 53,900,000	$ 12,618,000	$ 25,976,000	$ 7,669,000	$ 8,519,000	$ 3,920,000		$ 112,602,000
Common Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.001
Agreement, Sales Agent Compensation, Percentage of Gross Sales			2.00%
Agreement, Maximum Reimbursement of Expenses in Connection with Registration of Shares			$ 10,000
Registered Direct Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)	1,036,458
Shares Issued, Price Per Share (in dollars per share)	$ 33.97
Proceeds from Issuance of Common Stock	$ 33,700,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Agreement, Sales Agent Compensation, Percentage of Gross Sales	3.00%