XML 69 R58.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Related Party Transactions (Narrative) (Details) |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 16, 2020 USD ($) | Dec. 06, 2019 USD ($) | Dec. 14, 2018 USD ($) | Jun. 30, 2011 | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jan. 09, 2019 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
CEO Employment Agreement |  |  |  |  | In June 2011, we entered into a new employment agreement with Edward K. Christian, Chairman, President and CEO, which became effective as of June 1, 2011, and replaced and superseded his prior employment agreement. We entered into amendments to the agreement on February 12, 2016 (the “First Amendment”), February 26, 2019 (the “Second Amendment”) and January 25, 2022 (the “Third Amendment”). The First Amendment extended the term of the employment agreement to March 31, 2021. The First Amendment also states that on each anniversary of the effective date of the employment agreement, the Compensation Committee shall determine in its discretion the amount of any annual increases (which shall not be less than the greater of 4% or a defined cost of living increase). Mr. Christian may defer any or all of his annual salary. The Second Amendment extends the term of the employment agreement from March 31, 2021 to March 31, 2025 and also makes certain clarifying modifications to the employment agreement.The Third Amendment extends the term of the employment agreement from March 31, 2025 to March 31, 2027 and makes certain changes to the employment agreement pursuant to Section 409A of the Internal Revenue Code. |  |  |
Deferred Compensation Details |  |  |  |  | On December 6, 2019, Mr. Christian agreed to defer approximately $100,000 of his 2020 salary to be paid 100% on January 15, 2021. |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  |  |  | $ 210,000
Operating Leases, Rent Expense, Minimum Rentals |  |  |  |  |  |  | $ 4,400 |
Leasee operating leases rent expense |  |  |  |  | $ 4,200 | $ 4,100 |  |
Change in control benchmark percentage of combined voting power |  |  |  |  | 30.00% |  |  |
Change in control benchmark percentage of voting securities |  |  |  |  | 50.00% |  |  |
Principal Stockholder Employment Agreement [Member] |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Compensation, Annual Increase, Maximum Threshold Percentage |  |  |  | 4.00% |  |  |  |
Deferred Salary, Amount | $ 100,000 | $ 100,000 | $ 100,000 |  |  |  |  |
Deferred Salary, Payment Percentage | 100.00% | 100.00% | 100.00% |  |  |  |  |
Change In Control, Amount Payable, Multiple |  |  |  |  | 2.99 |  |  |
Health Insurance Provided, Period |  |  |  |  | 10 years |  |  |
Non-compete Agreement Period |  |  |  |  | 3 years |  |  |
Severance Payment Percentage |  |  |  |  | 100.00% |  |  |
Severance Payment Period |  |  |  |  | 24 months |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage |  |  |  |  | 100.00% |  |  |
Average Annual Compensation |  |  |  |  | $ 1,943,000 | $ 1,943,000 | $ 1,943,000 |
Change In Control Agreements [Member] |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Change In Control, Amount Payable, Multiple |  |  |  |  | 1.5 |  |  |
Lumpsum Payment Period |  |  |  |  | 45 days |  |  |
Employee Continuation Period |  |  |  |  | 6 months |  |  |
Employee Termination Period |  |  |  |  | 6 months |  |  |
Apex Agreement [Member] |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  | $ 23,000,000 |  |  |

X
- Definition Average annual compensation + References No definition available. + Details
Name: | sga_AverageAnnualCompensation
Namespace Prefix: | sga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Ceo Employment Agreement + References No definition available. + Details
Name: | sga_CeoEmploymentAgreement
Namespace Prefix: | sga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The multiple of average salary and bonuses payable for each of the three immediately preceding periods of twelve consecutive months, upon change in control of the company. + References No definition available. + Details
Name: | sga_ChangeInControlAmountPayableMultiple
Namespace Prefix: | sga_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Change in control benchmark percentage of combined voting power. + References No definition available. + Details
Name: | sga_ChangeInControlBenchmarkPercentageOfCombinedVotingPower
Namespace Prefix: | sga_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Change in control benchmark percentage of voting securities. + References No definition available. + Details
Name: | sga_ChangeInControlBenchmarkPercentageOfVotingSecurities
Namespace Prefix: | sga_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum threshold percentage used for determination of compensation to key management personnel. + References No definition available. + Details
Name: | sga_CompensationAnnualIncreaseMaximumThresholdPercentage
Namespace Prefix: | sga_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred Compensation Details + References No definition available. + Details
Name: | sga_DeferredCompensationDetails
Namespace Prefix: | sga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of salary deferred by the key management personnel. + References No definition available. + Details
Name: | sga_DeferredSalaryAmount
Namespace Prefix: | sga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of deferred salary paid by the company. + References No definition available. + Details
Name: | sga_DeferredSalaryPaymentPercentage
Namespace Prefix: | sga_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period during which the employee is to continue working on receiving the lumpsum amount under the change in control agreement. + References No definition available. + Details
Name: | sga_EmployeeContinuationPeriod
Namespace Prefix: | sga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period during which the company may terminate the employee without cause, under the change in control agreement. + References No definition available. + Details
Name: | sga_EmployeeTerminationPeriod
Namespace Prefix: | sga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period for which health insurance is provided by the company. + References No definition available. + Details
Name: | sga_HealthInsuranceProvidedPeriod
Namespace Prefix: | sga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Leasee operating leases rent expense. + References No definition available. + Details
Name: | sga_LeaseeOperatingLeasesRentExpense
Namespace Prefix: | sga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The period during which the lumpsum amount is to be paid under the change in control agreement. + References No definition available. + Details
Name: | sga_LumpsumPaymentPeriod
Namespace Prefix: | sga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period during which the employee is restricted from competing with us in any of our markets if he voluntarily terminates his employment with us or is terminated for cause. + References No definition available. + Details
Name: | sga_NonCompeteAgreementPeriod
Namespace Prefix: | sga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of then base salary to be paid as severance by the company. + References No definition available. + Details
Name: | sga_SeverancePaymentPercentage
Namespace Prefix: | sga_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period during which the company will pay severance. + References No definition available. + Details
Name: | sga_SeverancePaymentPeriod
Namespace Prefix: | sga_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- Definition This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123403832&loc=d3e34039-112682 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=123403562&loc=d3e38371-112697 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123406913&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseMinimumRentals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of award under share-based payment arrangement. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=sga_PrincipalStockholderEmploymentAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=sga_ChangeInControlAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=sga_ApexAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |