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Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Revenue from External Customer [Line Items] |  |
Managed service contracts, right to refund, period | 30 days |
Total sales | $ 12,369 | $ 11,388
Product |  |
Revenue from External Customer [Line Items] |  |
Sales | 8,720 | 8,397
Total sales | 8,720 | 8,408
Services |  |
Revenue from External Customer [Line Items] |  |
Sales | 3,649 | 2,980
Total sales | 3,649 | 2,980
Finance |  |
Revenue from External Customer [Line Items] |  |
Finance |  | 11
High Performance Products Segment |  |
Revenue from External Customer [Line Items] |  |
Total sales | 1,064 | 1,556
High Performance Products Segment | Product |  |
Revenue from External Customer [Line Items] |  |
Sales | 720 | 1,176
Total sales | 720 | 1,176
High Performance Products Segment | Services |  |
Revenue from External Customer [Line Items] |  |
Sales | 344 | 380
Total sales | 344 | 380
TS |  |
Revenue from External Customer [Line Items] |  |
Total sales | 11,305 | 9,832
TS | U.K. |  |
Revenue from External Customer [Line Items] |  |
Total sales | 155 | 1,490
TS | U.S. |  |
Revenue from External Customer [Line Items] |  |
Total sales | 11,150 | 8,342
TS | Product |  |
Revenue from External Customer [Line Items] |  |
Sales | 8,000 | 7,221
Total sales | 8,000 | 7,232
TS | Product | U.K. |  |
Revenue from External Customer [Line Items] |  |
Sales | 62 | 1,403
Total sales | 62 | 1,403
TS | Product | U.S. |  |
Revenue from External Customer [Line Items] |  |
Sales | 7,938 | 5,818
Total sales | 7,938 | 5,829
TS | Services |  |
Revenue from External Customer [Line Items] |  |
Sales | 3,305 | 2,600
Total sales | 3,305 | 2,600
TS | Services | U.K. |  |
Revenue from External Customer [Line Items] |  |
Sales | 93 | 87
Total sales | 93 | 87
TS | Services | U.S. |  |
Revenue from External Customer [Line Items] |  |
Sales | 3,212 | 2,513
Total sales | $ 3,212 | 2,513
TS | Finance |  |
Revenue from External Customer [Line Items] |  |
Finance |  | 11
TS | Finance | U.S. |  |
Revenue from External Customer [Line Items] |  |
Finance |  | $ 11

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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