Percentage of the original principal amount required upon final payment.

No definition available.

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Period Type:	instant

- Details

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- Definition

Percentage of prepayment fee.

+ References

No definition available.

+ Details

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Namespace Prefix:	sphs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of the warrants from the date of the grant.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ 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.(i)(2))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

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

- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

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

- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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

- Definition

Fair value portion of warrants not settleable in cash classified as equity.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Note 9 - Promissory Notes (Details) (USD $)	6 Months Ended		3 Months Ended		3 Months Ended		6 Months Ended
Note 9 - Promissory Notes (Details) (USD $)	Jun. 30, 2014	Jun. 30, 2014 Fair Value, Inputs, Level 3 [Member] Oxford New Loan [Member]	Jun. 30, 2014 Oxford Loan [Member]	Jul. 15, 2011 Oxford Loan [Member]	Jun. 30, 2014 Oxford New Loan [Member] Warrants Not Settleable in Cash [Member]	Jun. 30, 2014 Oxford New Loan [Member]	Jun. 30, 2014 Oxford New Loan [Member]	Jun. 30, 2014 Oxford New Loan [Member] Minimum [Member]	Jun. 30, 2014 Oxford New Loan [Member] Maximum [Member]
Note 9 - Promissory Notes (Details) [Line Items]
Debt Instrument, Face Amount (in Dollars)				$ 15,000,000		$ 6,000,000	$ 6,000,000
Debt Instrument, Interest Rate, Stated Percentage				9.50%		9.504%	9.504%
Additional Fee, Percentage				5.00%		5.00%	5.00%
Repayments of Debt (in Dollars)			2,900,000
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid (in Dollars)			700,000
Proceeds from Issuance of Debt (in Dollars)	2,362,000					2,300,000
Prepayment Fee Rate								1.00%	3.00%
Debt Instrument, Term							36 months
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)						82,192	82,192
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)						$ 2.19	$ 2.19
Warrant Term						7 years
Warrants Not Settleable in Cash, Fair Value Disclosure (in Dollars)						100,000	100,000
Fair Value Assumptions, Risk Free Interest Rate					2.10%
Fair Value Assumptions, Expected Volatility Rate					72.10%
Fair Value Assumptions, Expected Dividend Rate					0.00%
Fair Value Assumptions, Expected Term					7 years
Long-term Debt, Fair Value (in Dollars)		5,900,000
Debt Issuance Cost (in Dollars)						$ 100,000