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Note 6 - Commitments and Contingencies (Details Textual)	Jan. 17, 2013 USD ($)	Aug. 04, 2010 USD ($)	Apr. 30, 2013
K-BOB's Complaint [Member] \| Settled Litigation [Member] \| Restaurants Removed From Lease Obligations [Member]
Number of Restaurants			3
CV-2010-022169 [Member] \| Restaurants Leased To Subsidiary [Member] \| Spirit Master Funding, LLC [Member]
Number of Restaurants		4
CV-2010-022169 [Member] \| Spirit Master Funding, LLC [Member]
Loss Contingency, Damages Sought, Value	$ 1,500,000	$ 3,700,000
Loss Contingency, Damages Sought, Defendant Objection, Value	$ 500,000