Note 5 - Leases (Details Textual)
|
3 Months Ended |
12 Months Ended |
|
|
May 29, 2022
USD ($)
|
Dec. 31, 2018
USD ($)
ft²
a
|
Jul. 02, 2022
USD ($)
|
| Operating Lease, Expense |
$ 15,000
|
|
|
| Operating Lease, Payments |
$ 13,000
|
|
|
| Operating Lease, Weighted Average Remaining Lease Term (Year) |
7 years 2 months 12 days
|
|
|
| Bond Future [Member] | Subsequent Event [Member] | City of Newton, Kansas [Member] |
|
|
|
| Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability |
|
|
$ 18,500,000
|
| Additional Lease Agreement with City and County for Land at Newton, Kansas Airport [Member] |
|
|
|
| Area of Land (Square Foot) | a |
|
3
|
|
| Lease Agreement with City and County for Land at Newton, Kansas Airport [Member] |
|
|
|
| Area of Land (Square Foot) | a |
|
8
|
|
| Additional Manufacturing Facility [Member] |
|
|
|
| Area of Land (Square Foot) | ft² |
|
90,000
|
|
| Construction in Progress Estimated Cost |
|
$ 19,500,000
|
|
| Purchase Obligation, Total |
$ 395,000
|
|
|
| Construction in Progress, Gross |
$ 18,708,000
|
|
|
| Minimum [Member] |
|
|
|
| Lessee, Operating Lease, Renewal Term (Year) |
1 year
|
|
|
| Maximum [Member] |
|
|
|
| Lessee, Operating Lease, Renewal Term (Year) |
10 years
|
|
|