Summary of Significant Accounting Policies - Schedule of warranty accruals (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at the beginning of the period	$ 602	$ 1,125	$ 2,547
Accrual for warranties issued	0	116
Transfer of inventory to servicers	(498)	0
Accrual related to World Energy	(25)	0
Changes in estimates for preexisting warranties	0	(955)
Warranty fulfillment charges	0	(583)
Balance at the end of the period	$ 602	$ 1,125

Standard Product Warranty Accrual, Increase (Decrease) From Transfers

No definition available.

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Namespace Prefix:	spru_
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Period Type:	duration

- Definition

Standard Product Warranty Accrual, Reduction From Sale Of Business

+ References

No definition available.

+ Details

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Namespace Prefix:	spru_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(5)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-8

+ Details

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- Definition

Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

+ References

+ Details

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- Definition

Amount of increase (decrease) in the standard product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes extended product warranties.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties.

+ References

+ Details

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