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Name:	us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
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stock issued with exercise of warrants

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Namespace Prefix:	zero
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Custom Element.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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shares issued

Name:	zero_SharesIssued1
Namespace Prefix:	zero
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Name:	zero_SubsequentEventsDetailsTextualsAbstract
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