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Supporting Financial Information - Equipment and Improvements, net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Furniture and equipment | $ 958 | $ 958
Computer equipment | 1,262 | 1,171
Computer software | 4,353 | 4,341
Leasehold improvements | 1,595 | 1,595
Total equipment and improvements | 8,168 | 8,065
Less accumulated depreciation and amortization | (6,256) | (4,726)
Equipment and improvements, net | 1,912 | 3,339
Depreciation | $ 1,500 | $ 2,200

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- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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