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CONTRACT BALANCES (Tables) | 9 Months Ended
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Jun. 30, 2025
CONTRACT BALANCES |
Schedule of accounts receivable-trade, net of allowance for doubtful accounts, contract assets and contract liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2025 |  | September 30, 2024 |  | Change
Accounts receivable-trade, net of allowance for doubtful accounts | ​ | $ | 57,652,791 | ​ | $ | 56,064,318 | ​ | $ | 1,588,473
​ | ​ |  |  | ​ |  |  | ​ |  |
Contract assets | ​ |  |  | ​ |  |  | ​ |  |
Cost and estimated earnings in excess of billings | ​ | $ | 26,685,573 | ​ | $ | 24,595,792 | ​ | $ | 2,089,781
​ | ​ |  |  | ​ |  | ​ | ​ |  | ​
Contract liabilities | ​ |  |  | ​ |  | ​ | ​ |  | ​
Billings in excess of cost and estimated earnings | ​ | $ | 27,660,163 | ​ | $ | 16,950,988 | ​ | $ | 10,709,175
​

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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