XML 37 R21.htm IDEA: XBRL DOCUMENT v3.20.1

Subsequent Events (Details Narrative) - USD ($)	May 09, 2020	Mar. 31, 2020
Common stock exercise price		$ 0.9
Investor [Member] | Securities Purchase Agreement [Member] | Subsequent Event [Member]
Sale of stock, value	$ 100,000
Sale of stock in units	91,743
Sale of stock price per unit	$ 1.09
Common stock exercise price	$ 1.20
Warrant description	One warrants to purchase one share of Company's common stock with an exercise price of $1.20 for a period of 36 months following the issuance date.

X

- Definition

Description of expense or revenue offset related to the warrants or rights.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExpenseOrRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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

X

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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

X

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_TitleOfIndividualAxis=us-gaap_InvestorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=SAFO_SecuritiesPurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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