XML 27 R71.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 12 - Segment Information (Details) - Long Lived Assets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Note 12 - Segment Information (Details) - Long Lived Assets [Line Items]    
Long lived assets $ 12,611us-gaap_NoncurrentAssets $ 8,632us-gaap_NoncurrentAssets
UNITED STATES    
Note 12 - Segment Information (Details) - Long Lived Assets [Line Items]    
Long lived assets 9,368us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= country_US		 6,222us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= country_US
International [Member]    
Note 12 - Segment Information (Details) - Long Lived Assets [Line Items]    
Long lived assets $ 3,243us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= sgrp_InternationalMember		 $ 2,410us-gaap_NoncurrentAssets
/ us-gaap_StatementGeographicalAxis
= sgrp_InternationalMember