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Equity (Details 1) - Warrant [Member] - $ / shares | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Number of shares | 669,467 | 426,788 | 921,438
Exercise Price 5.60 [Member] |  |  |
Number of shares | 347,103 |  |
Exercise price | $ 5.60 |  |
Warrant expiration date | Aug. 28, 2022 |  |
Exercise Price One 5.60 [Member] |  |  |
Number of shares | 235,722 |  |
Exercise price | $ 5.60 |  |
Warrant expiration date | Oct. 14, 2023 |  |
Exercise Price 7.00 [Member] |  |  |
Number of shares | 53,572 |  |
Exercise price | $ 7.00 |  |
Warrant expiration date | Nov. 12, 2023 |  |
Exercise Price 2.52 [Member] |  |  |
Number of shares | 33,070 |  |
Exercise price | $ 2.52 |  |
Warrant expiration date | Apr. 21, 2022 |  |

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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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