Note 1 - Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Sep. 30, 2025 |
|---|
| Notes Tables |
|
| Schedule of Cash and Cash Equivalents [Table Text Block] |
|
(In thousands)
|
|
September 30,
2025
|
|
|
September 30,
2024
|
|
|
Cash and cash equivalents:
|
|
|
|
|
|
|
|
|
|
Cash, including money market accounts
|
|
$ |
5,732 |
|
|
$ |
3,770 |
|
|
Money market funds
|
|
|
15,761 |
|
|
|
10,378 |
|
|
Total cash and cash equivalents
|
|
$ |
21,493 |
|
|
$ |
14,148 |
|
|
| Schedule of Inventory, Current [Table Text Block] |
| (In thousands) |
|
September 30,
2025
|
|
|
September 30,
2024
|
|
|
Raw materials
|
|
$ |
37,993 |
|
|
|
50,193 |
|
|
Work-in-process
|
|
|
2,369 |
|
|
|
1,088 |
|
|
Finished goods
|
|
|
14,107 |
|
|
|
19,524 |
|
|
Inventories, gross
|
|
|
54,469 |
|
|
|
70,805 |
|
|
Inventory reserve
|
|
|
(12,438 |
) |
|
|
(14,709 |
) |
|
Inventories, net
|
|
$ |
42,031 |
|
|
|
56,096 |
|
|
| Schedule of Goodwill [Table Text Block] |
| (In thousands) |
|
Total |
|
| Balance as of September 30, 2023 |
|
$ |
6,528 |
|
| Currency translation effect on foreign goodwill balances |
|
|
99 |
|
| Balance as of September 30, 2024 |
|
$ |
6,627 |
|
| Currency translation effect on foreign goodwill balances |
|
|
104 |
|
| Nestor Cables goodwill impairment |
|
|
(2,022 |
) |
| Balance as of September 30, 2025 |
|
$ |
4,709 |
|
|
| Schedule of Finite-Lived Intangible Assets [Table Text Block] |
| |
|
September 30, 2025
|
|
|
(In thousands)
|
|
Useful Life (Years)
|
|
|
Gross Carrying Amount
|
|
|
Accumulated Amortization
|
|
|
Net Book Value Amount
|
|
|
Customer relationships
|
|
|
15 |
|
|
$ |
3,742 |
|
|
$ |
1,902 |
|
|
$ |
1,840 |
|
|
Certifications
|
|
|
8 |
|
|
|
1,068 |
|
|
|
1,017 |
|
|
|
51 |
|
|
Trademarks
|
|
|
8-10 |
|
|
|
563 |
|
|
|
537 |
|
|
|
26 |
|
|
Patents
|
|
|
20 |
|
|
|
1,443 |
|
|
|
278 |
|
|
|
1,165 |
|
|
Software
|
|
|
1-10 |
|
|
|
9,101 |
|
|
|
2,830 |
|
|
|
6,271 |
|
|
Totals
|
|
|
|
|
|
$ |
15,917 |
|
|
$ |
6,564 |
|
|
$ |
9,353 |
|
| |
|
September 30, 2024
|
|
|
(In thousands)
|
|
Useful Life (Years)
|
|
|
Gross Carrying Amount
|
|
|
Accumulated Amortization
|
|
|
Net Book Value Amount
|
|
|
Customer relationships
|
|
|
15 |
|
|
$ |
3,742 |
|
|
$ |
1,653 |
|
|
$ |
2,089 |
|
|
Certifications
|
|
|
8 |
|
|
|
1,068 |
|
|
|
884 |
|
|
|
184 |
|
|
Trademarks
|
|
|
8-10 |
|
|
|
563 |
|
|
|
466 |
|
|
|
97 |
|
|
Patents
|
|
|
20 |
|
|
|
1,288 |
|
|
|
219 |
|
|
|
1,069 |
|
|
Software
|
|
|
1-3 |
|
|
|
3,475 |
|
|
|
2,243 |
|
|
|
1,232 |
|
|
Totals
|
|
|
|
|
|
$ |
10,136 |
|
|
$ |
5,465 |
|
|
$ |
4,671 |
|
|
| Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|
(In thousands)
|
|
Estimated amortization expense
|
|
|
FY 2026
|
|
$ |
1,588 |
|
|
FY 2027
|
|
|
1,195 |
|
|
FY 2028
|
|
|
989 |
|
|
FY 2029
|
|
|
901 |
|
|
FY 2030
|
|
|
694 |
|
|
Thereafter
|
|
|
3,986 |
|
|
Total
|
|
$ |
9,353 |
|
|
| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|
Year ended September 30,
(In thousands except share data)
|
|
2025
|
|
|
2024
|
|
|
2023
|
|
|
Net (loss) income
|
|
$ |
(8,050 |
) |
|
$ |
(12,453 |
) |
|
$ |
32,533 |
|
|
Net income (loss) from continuing operations
|
|
|
6,310 |
|
|
|
(8,514 |
) |
|
|
33,723 |
|
|
Weighted average common shares
|
|
|
13,989,489 |
|
|
|
14,582,450 |
|
|
|
14,975,972 |
|
|
Dilutive potential common shares
|
|
|
- |
|
|
|
- |
|
|
|
36,555 |
|
|
Weighted average dilutive common shares outstanding
|
|
|
13,989,489 |
|
|
|
14,582,450 |
|
|
|
15,012,527 |
|
|
(Loss) earnings per share:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Basic
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Continuing operations
|
|
$ |
0.45 |
|
|
$ |
(0.58 |
) |
|
$ |
2.25 |
|
|
Discontinued operations
|
|
|
(1.03 |
) |
|
|
(0.27 |
) |
|
|
(0.08 |
) |
|
Basic (loss) earnings per share
|
|
$ |
(0.58 |
) |
|
$ |
(0.85 |
) |
|
$ |
2.17 |
|
|
Diluted
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Continuing operations
|
|
$ |
0.45 |
|
|
$ |
(0.58 |
) |
|
$ |
2.25 |
|
|
Discontinued operations
|
|
|
(1.03 |
) |
|
|
(0.27 |
) |
|
|
(0.08 |
) |
|
Diluted (loss) earnings per share
|
|
$ |
(0.58 |
) |
|
$ |
(0.85 |
) |
|
$ |
2.17 |
|
|
| Useful Lives [Member] |
|
| Notes Tables |
|
| Property, Plant and Equipment [Table Text Block] |
| |
|
Years
|
|
|
Equipment
|
|
|
3 –15 |
|
|
Leasehold improvements
|
|
Shorter of remaining life of lease or 7-10
|
|
|
Vehicles
|
|
|
3 |
|
|
(In thousands)
|
|
September 30,
2025
|
|
|
September 30,
2024
|
|
|
Manufacturing equipment
|
|
$ |
17,176 |
|
|
$ |
17,073 |
|
|
Office equipment
|
|
|
4,457 |
|
|
|
4,040 |
|
|
Leasehold improvements
|
|
|
6,259 |
|
|
|
6,078 |
|
|
Vehicles
|
|
|
550 |
|
|
|
439 |
|
|
Construction in progress
|
|
|
2,464 |
|
|
|
6,287 |
|
|
Property, plant and equipment, gross
|
|
|
30,906 |
|
|
|
33,917 |
|
|
Less: Accumulated depreciation
|
|
|
(21,224 |
) |
|
|
(18,046 |
) |
|
Property, plant and equipment, net
|
|
$ |
9,682 |
|
|
$ |
15,871 |
|
|