Equity Distribution Agreements (Details) (JMP Securities LLC [Member])	Sep. 30, 2013
JMP Securities LLC [Member]
Equity Distribution Agreements [Line Items]
Equity distribution agreement, shares, maximum number authorized to issue	250,000

Equity distribution agreement, shares, maximum number authorized to issue.

No definition available.

Name:	sppr_EquityDistributionAgreementSharesMaximumNumberAuthorizedToIssue
Namespace Prefix:	sppr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant