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Inventory (Details Narrative) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Inventory Disclosure [Abstract] |  |
Overhead expenses | $ 17,674 | $ 17,974
Prepaid inventory expenses | $ 879,000 | $ 916,000

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- Definition Prepaid inventory expenses. + References No definition available. + Details
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Namespace Prefix: | SRNA_
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Balance Type: | debit
Period Type: | instant

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- Definition Indirect cost incurred related to good produced and service rendered. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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