Note 3 - Public Offering (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jun. 28, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Common Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.001	$ 0.001
Proceeds from Issuance of Common Stock		$ 0	$ 175,600	$ 0
Repayments of Lines of Credit		$ 110,000	136,353	$ 118,500
Revolving Credit Facility [Member]
Repayments of Lines of Credit	$ 81,400
Public Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)	1,725,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Shares Issued, Price Per Share (in dollars per share)	$ 108
Proceeds from Issuance of Common Stock	$ 175,600
Payments of Stock Issuance Costs	$ 10,700
Public Offering [Member] | Additional Paid-in Capital [Member]
Stockholders' Equity, Period Increase (Decrease)			$ 175,600
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues (in shares)	225,000