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Commitment and Contingencies - Contractual Obligations (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Sep. 30, 2018
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Long Term Debt and Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |
Total Obligations | $ 9,967 |
Next 12 Months | 927 |
2-3 Years | 8,247 |
4-5 Years | 676 |
More than 5 Years | 117 |
Facility leases |  |
Operating Leases |  |
Total operating leases | 2,540 |
Next 12 Months | 906 |
2-3 Years | 841 |
4-5 Years | 676 |
More than 5 Years | 117 |
Equipment operating leases |  |
Operating Leases |  |
Total operating leases | 32 |
Next 12 Months | 21 |
2-3 Years | 11 |
4-5 Years | 0 |
More than 5 Years | 0 |
Debt obligations |  |
Debt Obligations |  |
Total bank debt obligation | 7,395 | $ 7,708
Next 12 Months | 0 |
2-3 Years | 7,395 |
4-5 Years | 0 |
More than 5 Years | $ 0 |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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