2.4.0.8035 - Disclosure - Note 5 - Capital Lease Obligations (Details) - Capital lease assets balancestruefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$c0_AsOf30Jun2013http://www.sec.gov/CIK0001004989instant2013-06-30T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_CapitalLeasedAssetsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Capital Leased Assets [Line Items]2false 4us-gaap_CapitalLeasedAssetsGrossus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse441000441USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 false2Original Cost3false 4us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecationus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse266000266USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 2) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 false2Accumulated Amortization4false 4us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse175000175USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 false2Net Book Value5false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2false USDtruefalse$c46_AsOf30Jun2013_November2010Memberhttp://www.sec.gov/CIK0001004989instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseNovember 2010 [Member]sgrp_CapitalLeaseObligationAxisxbrldihttp://xbrl.org/2006/xbrldisgrp_November2010Membersgrp_CapitalLeaseObligationAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0November 2010 [Member]6true 3us-gaap_CapitalLeasedAssetsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Capital Leased Assets [Line Items]7false 4us-gaap_CapitalLeasedAssetsGrossus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse4800048USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 false2Original Cost8false 4us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecationus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse4300043USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 2) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 false2Accumulated Amortization9false 4us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse50005USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 false2Net Book Value10false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false USDtruefalse$c47_AsOf30Jun2013_June2011Memberhttp://www.sec.gov/CIK0001004989instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseJune 2011 [Member]sgrp_CapitalLeaseObligationAxisxbrldihttp://xbrl.org/2006/xbrldisgrp_June2011Membersgrp_CapitalLeaseObligationAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0June 2011 [Member]11true 3us-gaap_CapitalLeasedAssetsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Capital Leased Assets [Line Items]12false 4us-gaap_CapitalLeasedAssetsGrossus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse140000140USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 false2Original Cost13false 4us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecationus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse9700097USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 2) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 false2Accumulated Amortization14false 4us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse4300043USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 false2Net Book Value15false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false USDtruefalse$c48_AsOf30Jun2013_January2012Lease1Memberhttp://www.sec.gov/CIK0001004989instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseJanuary 2012 Lease 1 [Member]sgrp_CapitalLeaseObligationAxisxbrldihttp://xbrl.org/2006/xbrldisgrp_January2012Lease1Membersgrp_CapitalLeaseObligationAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0January 2012 Lease 1 [Member]16true 3us-gaap_CapitalLeasedAssetsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Capital Leased Assets [Line Items]17false 4us-gaap_CapitalLeasedAssetsGrossus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse224000224USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 false2Original Cost18false 4us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecationus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse112000112USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 2) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 false2Accumulated Amortization19false 4us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse112000112USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 false2Net Book Value20false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false USDtruefalse$c49_AsOf30Jun2013_January2012Lease2Memberhttp://www.sec.gov/CIK0001004989instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseJanuary 2012 Lease 2 [Member]sgrp_CapitalLeaseObligationAxisxbrldihttp://xbrl.org/2006/xbrldisgrp_January2012Lease2Membersgrp_CapitalLeaseObligationAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0January 2012 Lease 2 [Member]21true 3us-gaap_CapitalLeasedAssetsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Capital Leased Assets [Line Items]22false 4us-gaap_CapitalLeasedAssetsGrossus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse2900029USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 false2Original Cost23false 4us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecationus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse1400014USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 2) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 false2Accumulated Amortization24false 4us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse1500015USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 false2Net Book ValuefalseNote 5 - Capital Lease Obligations (Details) - Capital lease assets balances (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.sparinc.com/role/CapitalleaseassetsbalancesTable124