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CONTRACT BALANCES (Tables)
9 Months Ended
Jun. 30, 2026
CONTRACT BALANCES  
Schedule of accounts receivable-trade, net of allowance for credit losses, contract assets and contract liabilities

  ​ ​ ​

June 30, 2026

  ​ ​ ​

September 30, 2025

  ​ ​ ​

Change

Accounts receivable-trade, net of allowance for credit losses

$

64,607,349

$

76,048,448

$

(11,441,099)

 

  ​

 

  ​

 

  ​

Contract assets

 

  ​

 

  ​

 

  ​

Cost and estimated earnings in excess of billings

$

43,901,138

$

34,455,011

$

9,446,127

 

  ​

 

 

Contract liabilities

 

  ​

 

 

Billings in excess of cost and estimated earnings

$

27,166,506

$

28,318,765

$

(1,152,259)