Pineapple Energy Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policy)
Notes Tables
Notes Details

Subsequent Events (Narrative) (Details)

v3.21.2

Subsequent Events (Narrative) (Details)		12 Months Ended
Subsequent Events (Narrative) (Details)	Aug. 02, 2021 USD ($) employee item shares	Dec. 31, 2020 USD ($) shares	Aug. 01, 2021 shares	Jun. 30, 2021 shares
Subsequent Events [Line Items]
Proceeds from sale		$ 8,900,000
Number of options outstanding \| shares		1,173,190		1,069,925
Subsequent Event [Member] \| Lantronix [Member]
Subsequent Events [Line Items]
Number of former employees hired \| employee	63
Discontinued Operations, Disposed of by Sale [Member] \| E&S Sale Transaction [Member]
Subsequent Events [Line Items]
Severance payments	$ 1,250,000
Discontinued Operations, Disposed of by Sale [Member] \| E&S Sale Transaction [Member] \| Subsequent Event [Member]
Subsequent Events [Line Items]
Proceeds from sale	24,160,000
Sale price	$ 25,027,566
Earnout contingency, number of successive intervals required after closing \| item	2
Earnout contingency, successive interval period	180 days
Number of employees terminated \| employee	75
Non-cash charge relating to acceleration and settlement of outstanding equity awards	$ 325,000
Discontinued Operations, Disposed of by Sale [Member] \| E&S Sale Transaction [Member] \| Maximum [Member] \| Subsequent Event [Member]
Subsequent Events [Line Items]
Contingent earnout receivable	$ 7,000,000.0
Service agreement period	12 months
2011 Executive Incentive Compensation Plan [Member]
Subsequent Events [Line Items]
Number of options outstanding \| shares				1,168,630
2011 Executive Incentive Compensation Plan [Member] \| Subsequent Event [Member]
Subsequent Events [Line Items]
Number of options outstanding \| shares	0		995,530
2011 Executive Incentive Compensation Plan [Member] \| Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member]
Subsequent Events [Line Items]
Number of awards outstanding \| shares	0		98,705

- Definition

Disposal Group, Contingent Earnout Receivable

+ References

No definition available.

+ Details

Name:	jcs_DisposalGroupContingentEarnoutReceivable
Namespace Prefix:	jcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Earnout Contingency, Number of Successive Intervals After Closing

+ References

No definition available.

+ Details

Name:	jcs_EarnoutContingencyNumberOfSuccessiveIntervalsAfterClosing
Namespace Prefix:	jcs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Earnout Contingency, Successive Interval Period

+ References

No definition available.

+ Details

Name:	jcs_EarnoutContingencySuccessiveIntervalPeriod
Namespace Prefix:	jcs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Non-Cash Charge Relating To Acceleration And Settlement Of Outstanding Equity Awards

+ References

No definition available.

+ Details

Name:	jcs_NonCashChargeRelatingToAccelerationAndSettlementOfOutstandingEquityAwards
Namespace Prefix:	jcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number Of Employees Terminated

+ References

No definition available.

+ Details

Name:	jcs_NumberOfEmployeesTerminated
Namespace Prefix:	jcs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Former Employees Hired

+ References

No definition available.

+ Details

Name:	jcs_NumberOfFormerEmployeesHired
Namespace Prefix:	jcs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Service Agreement Period

+ References

No definition available.

+ Details

Name:	jcs_ServiceAgreementPeriod
Namespace Prefix:	jcs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Subsequent Events [Line Items]

+ References

No definition available.

+ Details

Name:	jcs_SubsequentEventsLineItems
Namespace Prefix:	jcs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of cash inflow from the sale of tangible or intangible assets used to produce goods or deliver services, classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfOtherProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

Name:	us-gaap_SeveranceCosts1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=jcs_LantronixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=jcs_ESSaleTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=jcs_TwoThousandElevenExecutiveIncentiveCompensationPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: