Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2026	Dec. 31, 2025
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1
Preferred Stock, Shares Authorized (in shares)	1,000,000	1,000,000
Preferred Stock, Shares Issued (in shares)	0	0
Preferred Stock, Shares Outstanding (in shares)	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.6	$ 0.6
Common Stock, Shares Authorized (in shares)	10,000,000	10,000,000
Common Stock, Shares, Issued (in shares)	4,105,556	4,092,056
Common Stock, Shares, Outstanding (in shares)	3,744,151	3,733,733
Treasury Stock, Common, Shares (in shares)	361,405	358,323