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Segments - Summary of Long-lived Assets (Net) Attributable to Operations Geographical Segment (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
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Long-lived assets net | $ 12,905,519 | $ 13,618,655
United States [Member] |  |
Long-lived assets net | 12,890,912 | 13,613,043
Foreign Countries [Member] |  |
Long-lived assets net | $ 14,607 | $ 5,612

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=SNYR_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |