XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.24.3

Leases (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Leases |
Schedule of components of lease related expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended September 30, |  | Nine Months Ended September 30, | ​
​ |  | 2024 | ​ | 2023 |  | 2024 | ​ | 2023 | ​
Finance lease costs: |  | ​ |  | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use assets | ​ | $ | 58 | ​ | $ | 50 | ​ | $ | 174 | ​ | $ | 141 | ​
Interest on lease liabilities | ​ |  | 11 | ​ |  | 13 | ​ |  | 37 | ​ |  | 38 | ​
Operating lease costs | ​ |  | 302 | ​ |  | 290 | ​ |  | 883 | ​ |  | 870 | ​
Total lease expense | ​ | $ | 371 | ​ | $ | 353 | ​ | $ | 1,094 | ​ | $ | 1,049 | ​
Schedule of components of cash flow information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended September 30, |  | Nine Months Ended September 30, | ​
​ |  | 2024 | ​ | 2023 |  | 2024 | ​ | 2023 | ​
Operating outgoing cash flows – finance leases | ​ | $ | 11 | ​ | $ | 13 | ​ | $ | 38 | ​ | $ | 39 | ​
Financing outgoing cash flows – finance leases | ​ |  | 95 | ​ |  | 79 | ​ |  | 281 | ​ |  | 220 | ​
Operating outgoing cash flows – operating leases | ​ |  | 441 | ​ |  | 284 | ​ |  | 1,025 | ​ |  | 851 | ​
Right-of-use assets obtained in exchange for new finance lease liabilities: | ​ | ​ | — | ​ | ​ | 124 | ​ | ​ | — | ​ | ​ | 213 | ​
Right-of-use assets obtained in exchange for new operating lease liabilities: | ​ | ​ | 148 | ​ | ​ | — | ​ | ​ | 148 | ​ | ​ | — | ​
Schedule of remaining weighted-average lease term and weighted-average discount rate | ​
​ | ​ | ​ | ​
​ |  | September 30, 2024 |
Finance lease |  |  | ​
Weighted-average remaining lease term – finance leases (in years) |  | 2.3 | ​
Weighted-average discount rate – finance leases |  | 6.6 | %
Operating lease |  | ​ | ​
Weighted-average remaining lease term – operating leases (in years) |  | 8.5 | ​
Weighted-average discount rate – operating leases |  | 6.8 | %
Schedule of future minimum payments under finance lease | As of September 30, 2024, future minimum payments during the next five years and thereafter are as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
Fiscal year |  | Finance Lease |  | Operating Lease
2024 (remaining three months) | ​ | $ | 106 | ​ | $ | 296
2025 | ​ | ​ | 310 | ​ | ​ | 1,210
2026 | ​ | ​ | 179 | ​ | ​ | 1,248
2027 | ​ | ​ | 85 | ​ | ​ | 1,288
2028 | ​ | ​ | 16 | ​ | ​ | 1,329
2029 | ​ | ​ | — | ​ | ​ | 1,211
Thereafter | ​ | ​ | — | ​ | ​ | 4,031
Total | ​ | ​ | 696 | ​ | ​ | 10,613
Less present value discount | ​ | ​ | (48) | ​ | ​ | (2,454)
Total lease liabilities | ​ | $ | 648 | ​ | $ | 8,159
​
Schedule of future minimum payments under operating lease | As of September 30, 2024, future minimum payments during the next five years and thereafter are as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
Fiscal year |  | Finance Lease |  | Operating Lease
2024 (remaining three months) | ​ | $ | 106 | ​ | $ | 296
2025 | ​ | ​ | 310 | ​ | ​ | 1,210
2026 | ​ | ​ | 179 | ​ | ​ | 1,248
2027 | ​ | ​ | 85 | ​ | ​ | 1,288
2028 | ​ | ​ | 16 | ​ | ​ | 1,329
2029 | ​ | ​ | — | ​ | ​ | 1,211
Thereafter | ​ | ​ | — | ​ | ​ | 4,031
Total | ​ | ​ | 696 | ​ | ​ | 10,613
Less present value discount | ​ | ​ | (48) | ​ | ​ | (2,454)
Total lease liabilities | ​ | $ | 648 | ​ | $ | 8,159
​

X
- Definition Tabular disclosure of Weighted average lease term and discount rate. + References No definition available. + Details
Name: | sldp_ScheduleOfLeaseQuantitativeDisclosureTableTextBlock
Namespace Prefix: | sldp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cashflow information related to leases. + References No definition available. + Details
Name: | sldp_ScheduleOfSupplementalCashflowDisclosureOfLeasesTableTextBlock
Namespace Prefix: | sldp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance 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_FinanceLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
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