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Note 13 - Segment Information (Tables)
3 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
  

Three Months Ended December 31, 2021

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Operating revenues

 $23,231,655  $  $31,425  $23,263,080 

Depreciation

  2,270,694         2,270,694 

Operating income (loss)

  5,404,316   (51,560)  25,667   5,378,423 

Equity in earnings

     72,127      72,127 

Interest expense

  764,863   339,993      1,104,856 

Income (loss) before income taxes

  4,959,182   (316,881)  25,832   4,668,133 
  

Three Months Ended December 31, 2020

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Operating revenues

 $19,483,500  $  $33,517  $19,517,017 

Depreciation

  2,153,398         2,153,398 

Operating income (loss)

  5,613,042   (50,847)  19,192   5,581,387 

Equity in earnings

     1,356,683      1,356,683 

Interest expense

  704,330   315,499      1,019,829 

Income before income taxes

  5,236,000   992,925   19,342   6,248,267 
  

December 31, 2021

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Total assets

 $242,149,871  $68,094,574  $12,986,447  $323,230,892 
  

September 30, 2021

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Total assets

 $231,737,427  $65,686,376  $12,685,390  $310,109,193