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v3.19.1

Non-Marketable Equity Securities (Details) - USD ($) |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 09, 2018 | Nov. 03, 2017 | Jan. 30, 2019 | Apr. 22, 2010 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 08, 2017
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Aggregate common stock shares |  |  |  |  | 275,000 |  |
Common stock, par value |  |  |  |  | $ 0.002731 | $ 0.002731 | $ 0.002731
Issued and outstanding shares of common stock, percentage |  |  |  |  | 3.00% |  |
Purchase agreement, description |  |  |  |  | (i) 18 months from the Effective Date, (ii) such time as the Purchasers in aggregate hold less than five percent (5%) of the issued and outstanding shares of the Seller's common stock, or (iii) such time as the shares of common stock of GHSI shall become listed or approved for listing on a national securities exchange. |  |
Initial public offering [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Aggregate purchase price | $ 1,250,000 |  |  |  |  |  |
Aggregate common stock shares |  |  |  | 1,500,000 |  |  |
Purchase price per Share |  |  |  | $ 8.00 |  |  |
Offering price per share | $ 4.00 |  |  |  |  |  |
Guardion Health Sciences [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Aggregate purchase price |  | $ 1,500,043 |  |  |  |  |
Aggregate common stock shares |  | 1,304,348 |  |  |  |  |
Purchase price per Share |  | $ 1.15 |  |  |  |  |
Common stock, par value |  | $ 0.001 |  |  |  |  |
Purchase agreement, description |  |  | one-for-two (1:2) |  |  |  |
Guardion Health Sciences [Member] | Initial public offering [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Aggregate purchase price | $ 5,000,000 |  |  |  |  |  |
Guardion Health Sciences [Member] | Minimum [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Outstanding common stock percentage held by DGHKT |  |  |  |  | 3.17% |  |
Guardion Health Sciences [Member] | Maximum [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Outstanding common stock percentage held by DGHKT |  |  |  |  | 7.40% |  |
Digital Grid Hong Kong Technology Co Limited [Member] | Guardion Health Sciences [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Aggregate purchase price |  | $ 5,000,001 |  |  |  |  |
Aggregate common stock shares |  | 4,347,827 |  |  |  |  |

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