The percentage of repurchased common stock shares to total outstanding shares.

No definition available.

Name:	span_PercentageOfRepurchasedCommonStockSharesToTotalOutstandingShares
Namespace Prefix:	span_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

No definition available.

+ Details

Name:	span_StockRepurchasedAndRetiredAverageCostPerShare
Namespace Prefix:	span_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=span_TheJerryZuckerRevocableTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=span_ShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=span_RobertBJohnstonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=span_FormerOwnerOfMCHealthcareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 16 - Related-Party Transactions (Details Textual) - USD ($)			1 Months Ended	12 Months Ended
	Oct. 09, 2015	Oct. 01, 2015	Aug. 31, 2013	Oct. 03, 2015	Sep. 28, 2013
The Jerry Zucker Revocable Trust [Member] \| Share Repurchase Program [Member]
Stock Repurchased and Retired During Period, Shares		249,310
Stock Repurchased and Retired During Period, Value		$ 4,360,000
Robert B. Johnston [Member] \| Share Repurchase Program [Member] \| Subsequent Event [Member]
Stock Repurchased and Retired During Period, Shares	12,000
Stock Repurchased and Retired During Period, Value	$ 210,000
Former Owner of M.C. Healthcare [Member] \| Share Repurchase Program [Member]
Stock Repurchased and Retired During Period, Shares			25,000
Stock Repurchased and Retired During Period, Value			$ 450,000
Stock Repurchased and Retired Average Cost Per Share			$ 18
Share Repurchase Program [Member] \| Subsequent Event [Member]
Stock Repurchased and Retired During Period, Shares	261,310
Percentage of Repurchased Common Stock Shares to Total Outstanding Shares	9.00%
Stock Repurchased and Retired During Period, Value				$ (4,437,251)	$ (450,000)