Note 13 - Purchase of Interest in Subsidiaries (Detail) (USD $)	1 Months Ended	12 Months Ended								1 Months Ended							12 Months Ended						0 Months Ended	4 Months Ended		1 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended
	Aug. 31, 2011	Dec. 31, 2012	Mar. 31, 2013	Mar. 15, 2013	Sep. 30, 2012	Aug. 31, 2012	Dec. 31, 2011	Sep. 30, 2012 If $435,000 EBIT is Achieved for 12 Months Ending Dec 31, 2013 [Member] CMR Meridien [Member]	Sep. 30, 2012 If $435,000 EBIT is Achieved for 12 Months Ending Dec 31, 2014 [Member] CMR Meridien [Member]	Sep. 30, 2012 Year 1 of Operation [Member] CMR Meridien [Member]	Sep. 30, 2012 Year 2 of Operation [Member] CMR Meridien [Member]	Sep. 30, 2012 Year 3 of Operation [Member] CMR Meridien [Member]	Sep. 30, 2012 Additional Bonus After 3 Years [Member] CMR Meridien [Member]	Dec. 31, 2012 SPAR DSI [Member]	Jul. 31, 2011 SPAR DSI [Member]	Aug. 31, 2011 SPAR TODOPROMO SAPI de CV [Member] Intangible Assets [Member]	Dec. 31, 2012 SPAR TODOPROMO SAPI de CV [Member]	Sep. 30, 2012 SPAR TODOPROMO SAPI de CV [Member]	Sep. 30, 2011 SPAR TODOPROMO SAPI de CV [Member]	Aug. 31, 2011 SPAR TODOPROMO SAPI de CV [Member]	Dec. 31, 2012 SPAR NDS [Member]	Aug. 31, 2011 SPAR NDS [Member]	Sep. 11, 2012 NMS [Member]	Dec. 31, 2012 NMS [Member]	Aug. 31, 2011 NMS [Member]	May 31, 2012 Business Ideas Provider GRUP SRL [Member]	Dec. 31, 2012 Business Ideas Provider GRUP SRL [Member]	Sep. 30, 2012 CMR Meridien [Member]	Dec. 31, 2012 CMR Meridien [Member]
Noncontrolling Interest, Ownership Percentage by Parent														51.00%	49.00%					49.00%		51.00%	51.00%	51.00%		51.00%		51.00%
Business Acquisition, Cost of Acquired Entity, Purchase Price (in Dollars)				$ 1,300,000																$ 702,000			$ 859,050			$ 60,000
Business Acquisition Cost of Acquired Entity Capital																				2,000			510
Business Acquisition, Cost of Acquired Entity, Cash Paid (in Dollars)			20,000			300,000										700,000			400,000				400,000					73,000
Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill																				400,000	258,060			526,320
Business Acquisition, Purchase Price Allocation, Goodwill Amount					500,000															300,000	86,172			332,730
Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable							2,000										233,694						165,000
Business Acquisition, Contingent Consideration, at Fair Value		689,000			154,000													200,000					93,540
Business Combination, Separately Recognized Transactions, Revenues and Gains Recognized																	188,000
Business Combination, Acquisition Related Costs		118,000
Projected Consulting Fee	206,497																					344,232	93,540		206,497
Percent of EBIT Used to Compute Maximum Earn Out	25.00%									50.00%	25.00%	10.00%											50.00%
Annual Base EBITDA Used to Calculate Earn Out	148,000																						500,000					435,000
Maximum Consulting Fee Baed on EBITDA	424,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners																										49.00%		49.00%
Fair Market Value of Stock Purchased																										79,000
Business Combination, Bargain Purchase, Gain Recognized, Amount																										19,000
Revenue Generated by Business Acquired by Joint Venture																							3,000,000	1,922,000
Revenue Generated by Joint Venture																							1,922,000				4,140,000		2,364,000
Net Income (Loss) Attributable to Noncontrolling Interest, Joint Venture Partners																							138,000	138,000			172,000		36,000
Business Acquisition, Cost of Acquired Entity, Liabilities Incurred																							200,000
Maximum Earn Out Based on EBITDA of Joint Venture										304,000	176,000	84,000											600,000
Due from Affiliates					380,000
Business Acquisition, Contingent Consideration, Potential Cash Payment								$ 66,000	$ 88,000				$ 108,000