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Detail of Selected Balance Sheet Accounts - Components of Inventories (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Raw materials, parts and subassemblies | $ 33,149 | $ 31,202
Work-in-progress | 1,147 | 1,539
Provision for excess and obsolete inventory | (4,461) | (3,773)
Total inventories | $ 29,835 | $ 28,968

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- Definition Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(4),(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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