XML 30 R52.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Income Taxes (Details Textual) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax [Line Items] |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Assets Tax Deferred Compensation Noncurrent | $ 2,082,000 sga_DeferredTaxAssetsTaxDeferredCompensationNoncurrent |  |  |  | $ 2,089,000 sga_DeferredTaxAssetsTaxDeferredCompensationNoncurrent |  |  |  | $ 2,082,000 sga_DeferredTaxAssetsTaxDeferredCompensationNoncurrent | $ 2,089,000 sga_DeferredTaxAssetsTaxDeferredCompensationNoncurrent |
Income Tax Expense (Benefit) | 3,050,000 us-gaap_IncomeTaxExpenseBenefit | 2,180,000 us-gaap_IncomeTaxExpenseBenefit | 3,193,000 us-gaap_IncomeTaxExpenseBenefit | 1,627,000 us-gaap_IncomeTaxExpenseBenefit | 2,230,000 us-gaap_IncomeTaxExpenseBenefit | 2,820,000 us-gaap_IncomeTaxExpenseBenefit | 3,130,000 us-gaap_IncomeTaxExpenseBenefit | 1,812,000 us-gaap_IncomeTaxExpenseBenefit | 10,050,000 us-gaap_IncomeTaxExpenseBenefit | 9,992,000 us-gaap_IncomeTaxExpenseBenefit | 11,939,000 us-gaap_IncomeTaxExpenseBenefit
Income Tax Examination, Penalties and Interest Accrued | $ 0 us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued |  |  |  | $ 0 us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued |  |  |  | $ 0 us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued | $ 0 us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued |

X
- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deduction arising from stock-based compensation, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
Name: | sga_DeferredTaxAssetsTaxDeferredCompensationNoncurrent
Namespace Prefix: | sga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | sga_IncomeTaxLineItems
Namespace Prefix: | sga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration