The percentage point floor rate for debt instrument.

No definition available.

Name:	sopw_DebtInstrumentFloorRate
Namespace Prefix:	sopw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Front end fee percent.

+ References

No definition available.

+ Details

Name:	sopw_FrontEndFeePercent
Namespace Prefix:	sopw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, percentage of amount outstanding to be extended.

+ References

No definition available.

+ Details

Name:	sopw_LineOfCreditFacilityPercentageOfAmountOutstandingToBeExtended
Namespace Prefix:	sopw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percent fee of undrawn funds.

+ References

No definition available.

+ Details

Name:	sopw_PercentFeeOfUndrawnFunds
Namespace Prefix:	sopw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

When presenting a range of interest rates, the highest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

When presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

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

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Increase for additional borrowings on the credit facility during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

+ Details

Name:	us-gaap_LineOfCreditFacilityIncreaseAdditionalBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 20

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Note 12 - Line of Credit and Loans Payable (Detail)	3 Months Ended													3 Months Ended			3 Months Ended
Note 12 - Line of Credit and Loans Payable (Detail)	Mar. 31, 2013 Line of Credit [Member] Cathay [Member] USD ($)	Dec. 31, 2012 Line of Credit [Member] Cathay [Member]	Dec. 30, 2011 USD Portion [Member] CDB [Member] First [Member] USD ($)	Dec. 30, 2011 USD Portion [Member] CDB [Member] Second [Member] USD ($)	Dec. 30, 2011 USD Portion [Member] CDB [Member]	Dec. 30, 2011 RMB Portion [Member] CDB [Member] First [Member] USD ($)	Dec. 30, 2011 RMB Portion [Member] CDB [Member] First [Member] CNY	Dec. 30, 2011 RMB Portion [Member] CDB [Member] Second [Member] USD ($)	Dec. 30, 2011 RMB Portion [Member] CDB [Member] Second [Member] CNY	Dec. 30, 2011 RMB Portion [Member] CDB [Member]	Dec. 26, 2011 Cathay [Member] Extended Line of Credit [Member] USD ($)	Mar. 31, 2013 Cathay [Member] USD ($)	Dec. 31, 2012 Cathay [Member] USD ($)	Mar. 31, 2013 Italian Financial Institutions [Member] USD ($)	Mar. 31, 2013 Italian Financial Institutions [Member] EUR (€)	Dec. 31, 2012 Italian Financial Institutions [Member] USD ($)	Jun. 30, 2012 CDB [Member] USD ($)	Jun. 30, 2012 CDB [Member] CNY	Mar. 31, 2012 CDB [Member] USD ($)	Mar. 31, 2013 CDB [Member] USD ($)	Dec. 31, 2012 CDB [Member] USD ($)	Dec. 30, 2011 CDB [Member]
Line of Credit Facility, Current Borrowing Capacity											$ 9,000,000
Line of Credit Facility, Percentage of Amount Outstanding to be Extended											70.00%
Debt Instrument, Basis Spread on Variable Rate		2.00%									1.25%
Line of Credit Facility, Maximum Borrowing Capacity			3,600,000	15,600,000		11,500,000	72,150,000	12,300,000	77,850,000				7,000,000	5,100,000	4,000,000
Debt Instrument, Floor Rate		6.00%
Debt Instrument, Periodic Payment, Principal	500,000
Line of Credit Facility, Amount Outstanding												5,500,000	6,500,000	4,300,000		4,400,000				27,900,000	27,900,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum														4.40%	4.40%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum														9.90%	9.90%
Front End Fee Percent					1.50%					1.50%
Percent Fee of Undrawn Funds																						0.50%
Repayments of Lines of Credit																			3,600,000
Line of Credit Facility, Increase, Additional Borrowings (in Yuan Renminbi)																	12,300,000	77,850,000
Line of Credit Facility, Increase, Additional Borrowings																	$ 12,300,000	77,850,000