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Note 3 - Long-term Debt Financing (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Maturities of Long-Term Debt [Table Text Block]

Year ending December 31,

 

Principal

 

2025 (excluding the nine-months ended September 30, 2025)

 $830,000 

2026

  9,299,000 

2027

  2,058,000 

2028

  1,540,000 

2029

  1,540,000 

Thereafter

  3,045,000 
  $18,312,000