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Note 14 - Commitments and Contingencies (Details Textual) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2018 USD ($) ft² | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Area of Leased Facility (Square Foot) | ft² | 54,766 |  |
Operating Leases, Average Monthly Payments, Due in Third Year | $ 77 |  |
Operating Leases, Average Monthly Payments, Due in Fourth Year | 79 |  |
Operating Leases, Average Monthly Payments, Due in Fifth Year | 81 |  |
Operating Leases, Average Monthly Payments, Due in Sixth Year | 84 |  |
Operating Leases, Average Monthly Payments, Due in Seventh Year | 86 |  |
Operating Leases, Average Monthly Payments, Due in Eighth Year | 89 |  |
Operating Leases, Average Monthly Payments, Due in Ninth Year | 92 |  |
Operating Leases, Average Monthly Payments, Due in Tenth Year | $ 94 |  |
Defined Contribution Plan, Employer Discretionary Contribution Amount |  | $ 206 | $ 220
Bonuses and Related Payroll Tax Expense [Member] |  |  |
Increase (Decrease) in Other Employee-Related Liabilities |  | $ 1,600 | $ 1,300

X
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X
- Definition The average monthly payments for the eighth year pursuant to the lease agreement. + References No definition available. + Details
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- Definition Operating leases average monthly payments due in fifth year. + References No definition available. + Details
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- Definition Amount of increase (decrease) in employer-related costs classified as other and current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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