Note 1 - Business and Organization (Details Textual)	1 Months Ended	12 Months Ended
	Aug. 31, 2014	Dec. 31, 2015	Jul. 31, 2014
China [Member]
Number Of Subsidiaries	3
Unilink [Member] | SPAR Shanghai [Member]
Non Cash Consideration Given To Acquire Assets, Percentage Of Ownership Of SubsidiaryTransferred	20.00%
SPAR Shanghai [Member]
Majority Interest Ownership Percentage By Parent	51.00%		51.00%
Number of Countries in which Entity Operates		9
Number of Reportable Segments		2