XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.26.1

Leases (Tables) | 6 Months Ended
--- | ---
Mar. 31, 2026
Leases [Abstract] |
Schedule of Lease Cost | The following table provides a summary of lease cost components for the three and six months ended March 31, 2026 and 2025, respectively (in thousands):
|  | Three months ended March 31, |  | Six months ended March 31,
Lease Cost |  | 2026 |  | 2025 |  | 2026 |  | 2025
Operating lease cost |  | $ | 299 |  |  | $ | 247 |  |  | $ | 583 |  |  | $ | 445 |
Variable lease cost(1) |  | 48 |  |  | 47 |  |  | 91 |  |  | 81 |
Short-term lease cost(2) |  | 620 |  |  | 668 |  |  | 1,211 |  |  | 1,307 |
Total lease cost |  | $ | 967 |  |  | $ | 962 |  |  | $ | 1,885 |  |  | $ | 1,833 |
(1) Variable lease cost represents common area maintenance charges related to our Canadian office space lease. (2) Short-term lease cost includes leases and rentals with initial terms of one year or less.
Schedule of Operating Lease Assets and Liabilities | The following table provides a summary of the operating lease assets and operating lease liabilities included in our Condensed Consolidated Balance Sheets as of March 31, 2026 and September 30, 2025, respectively (in thousands):
Operating Leases |  | March 31, 2026 |  | September 30, 2025
Assets: |  |  |  |
Operating lease assets, net |  | $ | 1,955 |  |  | $ | 1,664 |
Liabilities: |  |  |  |
Current operating lease liabilities |  | $ | 880 |  |  | $ | 882 |
Long-term operating lease liabilities |  | 1,075 |  |  | 782 |
Total lease liabilities |  | $ | 1,955 |  |  | $ | 1,664 |
Schedule of Maturities of Operating Lease Liabilities | The following table provides the maturities of our operating lease liabilities as of March 31, 2026 (in thousands):
|  | Operating Leases |  |
Remainder of 2026 |  | $ | 557 |  |  |
2027 |  | 877 |  |  |
2028 |  | 529 |  |  |
2029 |  | 162 |  |  |
2030 |  | — |  |  |
Thereafter |  | — |  |  |
Total future minimum lease payments |  | $ | 2,125 |  |  |
Less: present value discount (imputed interest) |  | (170) |  |  |
Present value of lease liabilities |  | $ | 1,955 |  |  |

X
- Definition Lessee, Assets And Liabilities [Table Text Block] + References No definition available. + Details
Name: | powl_LesseeAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | powl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration