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10. GE Royalty Obligation (Details Narrative) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Notes to Financial Statements
GE Royalty Obligation	$ 11,924,870SAFE_GeRoyaltyObligation		$ 12,000,000SAFE_GeRoyaltyObligation
Royalty payable	$ (75,130)SAFE_RoyaltyPayable

X

- Definition

GE Royalty Obligation

+ References

No definition available.

+ Details

Name:	SAFE_GeRoyaltyObligation
Namespace Prefix:	SAFE_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	SAFE_NotesToFinancialStatementsAbstract
Namespace Prefix:	SAFE_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Royalty Payable

+ References

No definition available.

+ Details

Name:	SAFE_RoyaltyPayable
Namespace Prefix:	SAFE_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration