CONVERTIBLE NOTES PAYABLE AND NOTES PAYABLE (Details 2) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Notes Payable, Default [Member]
Notes payable, Face Value	$ 135,000	$ 175,000
Notes Payable, Default [Member] \| April 27, 2011
Notes payble, Maturity Date	Apr. 27, 2012	Apr. 27, 2012
Notes payable, Face Value	$ 5,000	$ 5,000
Notes payable, Rate	6.00%	6.00%
Notes Payable, Default [Member] \| December 14, 2017
Notes payble, Maturity Date	Dec. 14, 2018	Dec. 14, 2018
Notes payable, Face Value	$ 25,000	$ 65,000
Notes payable, Rate	6.00%	6.00%
Notes Payable, Default [Member] \| November 29, 2017
Notes payble, Maturity Date	Nov. 29, 2019	Nov. 29, 2019
Notes payable, Face Value	$ 105,000	$ 105,000
Notes payable, Rate	2.06%	2.06%
Notes Payable, Related Parties in Default [Member]
Notes payable, Face Value	$ 18,500	$ 18,500
Notes Payable, Related Parties in Default [Member] \| Feburary 24, 2010
Notes payble, Maturity Date	Feb. 24, 2011	Feb. 24, 2011
Notes payable, Face Value	$ 7,500	$ 7,500
Notes payable, Rate	6.00%	6.00%
Notes Payable, Related Parties in Default [Member] \| June 06, 2015
Notes payble, Maturity Date	Nov. 15, 2015	Nov. 15, 2015
Notes payable, Face Value	$ 10,000	$ 10,000
Notes payable, Rate	6.00%	6.00%
Notes Payable, Related Parties in Default [Member] \| Februrary 08, 2018
Notes payble, Maturity Date	Apr. 09, 2018	Apr. 09, 2018
Notes payable, Face Value	$ 1,000	$ 1,000
Notes payable, Rate	6.00%	6.00%

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
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://fasb.org/us-gaap/role/ref/legacyRef
-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=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=SFRX_NotesPayableDefaultMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=SFRX_NotesIssued042711Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=SFRX_NotesIssued121417Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=SFRX_NotesIssued112917Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=SFRX_NotesPayableRelatedPartiesInDefaultMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=SFRX_NotesIssued022410Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=SFRX_NotesIssued100615Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=SFRX_NotesIssued020818Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: