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Costs and Estimated Earnings in Excess of Billings - Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts (Detail) - USD ($) | Sep. 30, 2017 | Sep. 30, 2016
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Costs in Excess of Billings on Uncompleted Contracts or Programs [Abstract] |  |
Costs incurred on uncompleted contracts | $ 10,250,000 | $ 8,898,000
Estimated earnings | 3,161,000 | 3,124,000
Costs and estimated earnings on uncompleted contracts | 13,411,000 | 12,022,000
Costs and estimated earnings on uncompleted contracts | 13,411,000 | 12,022,000
Billings to date | 6,643,000 | 7,101,000
Costs and estimated earnings in excess of billings | $ 6,768,000 | $ 4,921,000

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- Definition Costs incurred on uncompleted contracts. + References No definition available. + Details
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- Definition Estimated Earnings On Uncompleted Contracts + References No definition available. + Details
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- Definition Amount billed to customers under long-term contracts or programs to be collected in the next rolling twelve months following the latest balance sheet. Excludes amounts due that have been withheld because of retainage provisions in a contract. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings which is expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57795-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57807-111642 + Details
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