Note 1 - Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Sep. 30, 2023 |
|---|
| Notes Tables |
|
| Schedule of Cash and Cash Equivalents [Table Text Block] |
|
(In thousands)
|
|
September 30,
2023
|
|
|
September 30,
2022
|
|
|
Cash and cash equivalents:
|
|
|
|
|
|
|
|
|
|
Cash including money market accounts
|
|
$ |
11,360 |
|
|
$ |
16,635 |
|
|
Money market funds
|
|
|
26,467 |
|
|
|
15 |
|
|
Total cash and cash equivalents
|
|
$ |
37,827 |
|
|
$ |
16,650 |
|
|
| Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|
Year Ended
|
|
Balance at
Beginning of Year
|
|
|
Additions
(Recoveries)
Charged to
Costs and
Expenses
|
|
|
Less
Write-offs
|
|
|
Balance at End of
Year
|
|
|
September 30, 2023
|
|
$ |
79,000 |
|
|
$ |
- |
|
|
$ |
- |
|
|
$ |
79,000 |
|
|
September 30, 2022
|
|
$ |
79,000 |
|
|
|
|
|
|
$ |
- |
|
|
$ |
79,000 |
|
|
| Schedule of Inventory, Current [Table Text Block] |
| |
|
September 30,
2023
|
|
|
September 30,
2022
|
|
|
(In thousands)
|
|
|
|
|
|
|
|
|
|
Raw materials
|
|
$ |
73,657 |
|
|
$ |
69,142 |
|
|
Work-in-process
|
|
|
1,462 |
|
|
|
4,592 |
|
|
Finished goods
|
|
|
29,696 |
|
|
|
10,803 |
|
|
Inventories, gross
|
|
|
104,815 |
|
|
|
84,537 |
|
|
Inventory reserve
|
|
|
(6,760 |
) |
|
|
(2,329 |
) |
|
Inventories, net
|
|
$ |
98,055 |
|
|
$ |
82,208 |
|
|
| Schedule of Finite-Lived Intangible Assets [Table Text Block] |
| |
|
September 30, 2023
|
|
|
(In thousands)
|
|
Useful
Life
(Years)
|
|
|
Gross Carrying
Amount
|
|
|
Accumulated
Amortization
|
|
|
Net Book Value
Amount
|
|
|
Customer relationships
|
|
|
15 |
|
|
$ |
4,894 |
|
|
$ |
1,582 |
|
|
$ |
3,312 |
|
|
Certifications
|
|
|
8 |
|
|
|
584 |
|
|
|
267 |
|
|
|
317 |
|
|
Trademarks
|
|
|
8-10 |
|
|
|
1,333 |
|
|
|
700 |
|
|
|
633 |
|
|
Patents
|
|
|
20 |
|
|
|
1,119 |
|
|
|
165 |
|
|
|
954 |
|
|
Developed Technology
|
|
|
10 |
|
|
|
311 |
|
|
|
22 |
|
|
|
289 |
|
|
Other
|
|
|
5 |
|
|
|
6 |
|
|
|
6 |
|
|
|
- |
|
|
Software
|
|
|
1-3 |
|
|
|
2,613 |
|
|
|
2,026 |
|
|
|
587 |
|
|
Totals
|
|
|
|
|
|
$ |
10,860 |
|
|
$ |
4,768 |
|
|
$ |
6,092 |
|
| |
|
September 30, 2022
|
|
|
(In thousands)
|
|
Useful
Life
(Years)
|
|
|
Gross Carrying
Amount
|
|
|
Accumulated
Amortization
|
|
|
Net Book Value
Amount
|
|
|
Customer relationships
|
|
|
15 |
|
|
$ |
4,833 |
|
|
$ |
1,273 |
|
|
$ |
3,559 |
|
|
Certifications
|
|
|
8 |
|
|
|
584 |
|
|
|
133 |
|
|
|
451 |
|
|
Trademarks
|
|
|
8-10 |
|
|
|
1,306 |
|
|
|
586 |
|
|
|
720 |
|
|
Patents
|
|
|
20 |
|
|
|
931 |
|
|
|
118 |
|
|
|
813 |
|
|
Developed Technology
|
|
|
10 |
|
|
|
295 |
|
|
|
5 |
|
|
|
290 |
|
|
Other
|
|
|
5 |
|
|
|
6 |
|
|
|
6 |
|
|
|
- |
|
|
Software
|
|
|
1-3 |
|
|
|
2,452 |
|
|
|
1,909 |
|
|
|
543 |
|
|
Totals
|
|
|
|
|
|
$ |
10,407 |
|
|
$ |
4,030 |
|
|
$ |
6,376 |
|
|
| Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|
(In thousands)
|
|
Estimated amortization
expense
|
|
|
FY 2024
|
|
$ |
1,148 |
|
|
FY 2025
|
|
|
698 |
|
|
FY 2026
|
|
|
563 |
|
|
FY 2027
|
|
|
469 |
|
|
FY 2028
|
|
|
460 |
|
| Thereafter |
|
|
2,754 |
|
|
Total
|
|
$ |
6,092 |
|
|
| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|
Year ended September 30,
(In thousands except share data)
|
|
2023
|
|
|
2022
|
|
|
2021
|
|
|
Net income
|
|
$ |
32,533 |
|
|
$ |
49,362 |
|
|
$ |
20,327 |
|
|
Weighted average common shares
|
|
|
14,975,972 |
|
|
|
13,771,665 |
|
|
|
13,720,699 |
|
|
Dilutive potential common shares
|
|
|
36,555 |
|
|
|
134,319 |
|
|
|
63,593 |
|
|
Weighted average dilutive common shares outstanding
|
|
|
15,012,527 |
|
|
|
13,905,984 |
|
|
|
13,784,294 |
|
|
Earnings per share:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Basic
|
|
$ |
2.17 |
|
|
$ |
3.58 |
|
|
$ |
1.48 |
|
|
Diluted
|
|
$ |
2.17 |
|
|
$ |
3.55 |
|
|
$ |
1.47 |
|
|
| Useful Lives [Member] |
|
| Notes Tables |
|
| Property, Plant and Equipment [Table Text Block] |
| |
|
Years
|
|
|
Equipment
|
|
|
3 – 15 |
|
|
Leasehold improvements
|
|
|
7-10 or life of lease |
|
|
Vehicles
|
|
|
3 |
|
|
(In thousands)
|
|
September 30,
2023
|
|
|
September 30,
2022
|
|
|
Manufacturing equipment
|
|
$ |
23,580 |
|
|
$ |
18,418 |
|
|
Office equipment
|
|
|
4,560 |
|
|
|
4,174 |
|
|
Leasehold improvements
|
|
|
6,107 |
|
|
|
5,000 |
|
|
Vehicles
|
|
|
446 |
|
|
|
340 |
|
|
Construction in progress
|
|
|
2,447 |
|
|
|
1,715 |
|
|
Property, plant and equipment, gross
|
|
|
37,140 |
|
|
|
29,647 |
|
|
Less accumulated depreciation
|
|
|
15,613 |
|
|
|
11,418 |
|
|
Property, plant and equipment, net
|
|
$ |
21,527 |
|
|
$ |
18,229 |
|
|