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Note 13 - Purchase of Interests in Subsidiaries (Details) (Assets and Merchandising Teams of Unilink [Member], USD $)
9 Months Ended 1 Months Ended
Sep. 30, 2014
Year One [Member]
Sep. 30, 2014
Year Two [Member]
Aug. 01, 2014
SPAR Shanghai [Member]
Unilink [Member]
Aug. 01, 2014
SPAR Shanghai [Member]
Shanghai Wedone Marketing Consulting Co. Ltd [Member]
Aug. 01, 2014
SPAR Shanghai [Member]
Sep. 30, 2014
Customer Lists [Member]
Jul. 31, 2014
Investor in Shanghai [Member]
Jul. 31, 2014
Sep. 30, 2014
Note 13 - Purchase of Interests in Subsidiaries (Details) [Line Items]                  
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     20.00% 29.00%     49.00%    
Equity Method Investment, Ownership Percentage         51.00%        
Total Purchase Price               $ 1,460,000  
Business Combination, Consideration Transferred               749,660  
Payments to Acquire Businesses, Gross               374,830  
Business Combination, Contingent Consideration, Liability 187,415 187,415           374,830  
Redeemable Noncontrolling Interest, Equity, Carrying Amount               720,262  
Minimum Operating Earnings that Must Be Contributed by Acquiree                 $ 475,000
Finite-Lived Intangible Asset, Useful Life           10 years