Note 10 - Stockholders' Equity and Earnings Per Share (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Sep. 02, 2025	May 31, 2024
Stock Repurchased and Retired During Period, Per Share (in dollars per share)	$ 7.23	$ 5.02
Stock Repurchased and Retired During Period, Value	$ 4,381,000	$ 243,000
Dividends	$ 0	$ 0
Preferred Stock, Shares Authorized (in shares)	1,000,000	1,000,000
Preferred Stock, Shares Outstanding (in shares)	0	0
Capital Stock, Shares Authorized (in shares)		36,000,000	8,000,000
Common Stock, Shares Authorized (in shares)	7,000,000	35,000,000	7,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.02	$ 0.02	$ 0.02
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Repurchase Agreement [Member]
Stock Repurchased and Retired During Period, Shares (in shares)	606,055	48,333
Repurchase Agreement [Member] | Weighted Average [Member]
Stock Repurchased and Retired During Period, Per Share (in dollars per share)	$ 7.23	$ 5
Common Stock [Member]
Share Repurchase Program, Authorized, Amount	$ 1,500,000			$ 1,500,000
Blank Check Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)		1,000,000	1,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.01	$ 0.01