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Note 17 - Related-Party Transactions (Details Textual) (USD $)
12 Months Ended 1 Months Ended
Sep. 28, 2013
Aug. 31, 2013
Related Party Transactions [Abstract]    
Stock Repurchased and Retired During Period, Value $ 450,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue  
Former Owner of M.C. Healthcare [Member] | Share Repurchase Program [Member]    
Related Party Transactions [Abstract]    
Stock Repurchased and Retired During Period, Shares   25,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= span_FormerOwnerOfMCHealthcareMember
/ us-gaap_ShareRepurchaseProgramAxis
= span_ShareRepurchaseProgramMember
Treasury Stock Acquired, Average Cost Per Share   $ 18us-gaap_TreasuryStockAcquiredAverageCostPerShare
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= span_FormerOwnerOfMCHealthcareMember
/ us-gaap_ShareRepurchaseProgramAxis
= span_ShareRepurchaseProgramMember
Stock Repurchased and Retired During Period, Value   $ 450,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= span_FormerOwnerOfMCHealthcareMember
/ us-gaap_ShareRepurchaseProgramAxis
= span_ShareRepurchaseProgramMember