Note 11 - Employee Benefit Plans (Details Textual) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Sep. 28, 2019 |
Sep. 29, 2018 |
|
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 1.0 | $ 0.9 |
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 6.00% | 6.00% |
| X | ||||||||||
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
|