4 PROPERTY AND EQUIPMENT (Details Narrative) - USD ($)	Feb. 28, 2018	Feb. 28, 2017
Fixed Assets outside USA
Tooling and equipment located in China	$ 350,998	$ 330,000
Depreciation expense for assets located outside USA	$ 60,232	$ 79,434

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