4 PROPERTY AND EQUIPMENT (Details Narrative) - USD ($)	Feb. 28, 2017	Feb. 29, 2016
Fixed Assets outside USA
Tooling and equipment located in China	$ 330,000	$ 318,000
Depreciation expense for assets located outside USA	$ 79,434	$ 84,119

Depreciation Expense For Assets Located Outside Usa

No definition available.

Name:	SYEV_DepreciationExpenseForAssetsLocatedOutsideUsa
Namespace Prefix:	SYEV_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant