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Warrants (Details Narrative) - $ / shares	Jun. 18, 2020	Dec. 31, 2019
Exercise price of warrants		$ 0.24
Warrant [Member]
Number of warrants expired unexercised, shares	500,000
Exercise price of warrants	$ 0.35

X

- Definition

Number of warrants expired unexercised, shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	SRNA_
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Balance Type:	na
Period Type:	duration

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

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

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: