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Note 2 - Acquisition of M.C.Healthcare Products Inc. (Details Textual) (USD $)
0 Months Ended
Dec. 09, 2011
Sep. 27, 2014
Sep. 28, 2013
Sep. 29, 2012
Oct. 01, 2011
Jan. 31, 2012
Business Combinations [Abstract]            
Goodwill $ 4,443,302us-gaap_Goodwill $ 4,291,843us-gaap_Goodwill $ 4,487,546us-gaap_Goodwill $ 4,610,615us-gaap_Goodwill $ 1,924,131us-gaap_Goodwill  
M.C. Healthcare Products "MCHP" [Member]            
Business Combinations [Abstract]            
Cash Acquired from Acquisition 0us-gaap_CashAcquiredFromAcquisition
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
         
Business Combination, Consideration Transferred 9,800,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
         
Payments to Acquire Businesses, Gross 7,980,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
         
Business Acquisition Payment For Post Closing Working Capital Adjustment           354,000span_BusinessAcquisitionPaymentForPostClosingWorkingCapitalAdjustment
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 100,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
         
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned 1,441,000us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
         
Proceeds from Lines of Credit 6,500,000us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
         
Goodwill $ 2,530,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember
$ 2,367,712us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= span_MCHealthcareProductsMchpMember