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Note 15 - Segment Information (Tables)
6 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
  

Three Months Ended March 31, 2022

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Operating revenues

 $29,499,219  $  $30,464  $29,529,683 

Depreciation

  2,268,704         2,268,704 

Operating income (loss)

  7,528,839   (108,987)  23,536   7,443,388 

Equity in earnings (loss)

     (445)     (445)

Impairment of investments in affiliates

     (39,822,213)     (39,822,213)

Interest expense

  751,038   352,806      1,103,844 

Income (loss) before income taxes

  7,117,202   (40,279,495)  23,689   (33,138,604)
  

Three Months Ended March 31, 2021

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Operating revenues

 $28,221,274  $  $32,388  $28,253,662 

Depreciation

  2,128,304         2,128,304 

Operating income (loss)

  7,175,532   (102,295)  26,189   7,099,426 

Equity in earnings (loss)

     (3,797)     (3,797)

Interest expense

  707,532   300,232      1,007,764 

Income (loss) before income taxes

  6,750,004   (400,880)  26,289   6,375,413 
  

Six Months Ended March 31, 2022

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Operating revenues

 $52,730,874  $  $61,889  $52,792,763 

Depreciation

  4,539,398         4,539,398 

Operating income (loss)

  12,933,155   (160,547)  49,203   12,821,811 

Equity in earnings

     71,682      71,682 

Impairment of investments in affiliates

     (39,822,213)     (39,822,213)

Interest expense

  1,515,901   692,799      2,208,700 

Income (loss) before income taxes

  12,076,384   (40,596,376)  49,521   (28,470,471)
  

Six Months Ended March 31, 2021

 
  

Gas Utility

  

Investment in Affiliates

  

Parent and Other

  

Consolidated Total

 

Operating revenues

 $47,704,774  $  $65,905  $47,770,679 

Depreciation

  4,281,702         4,281,702 

Operating income (loss)

  12,788,574   (153,142)  45,381   12,680,813 

Equity in earnings

     1,352,886      1,352,886 

Interest expense

  1,411,862   615,731      2,027,593 

Income before income taxes

  11,986,004   592,045   45,631   12,623,680 
  

March 31, 2022

 
  

Gas Utility

  

Investment in Affiliates(1)

  

Parent and Other

  

Consolidated Total

 

Total assets

 $240,934,602  $27,465,020  $19,958,863  $288,358,485 
  

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