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Share-based payment (Details) - Schedule of stock option activity plan - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of stock option activity plan [Abstract] |  |  |
Number of shares, Outstanding at beginning (in Shares) | 47,277 | 54,962 | 56,362
Weighted average exercise price, Outstanding at beginning | $ 881.97 | $ 889.35 | $ 892.24
Weighted average grant date fair value, Outstanding at beginning | $ 343.83 | $ 346.63 | $ 350.52
Weighted average remaining contractual life, Outstanding at beginning |  |  | 9 years 1 month 6 days
Number of shares, Granted (in Shares) | 176,890 |  | 1,000
Weighted average exercise price, Granted | $ 1,005.85 |  | $ 1,005.85
Weighted average grant date fair value, Granted | $ 495.95 |  | $ 225.30
Weighted average remaining contractual life, Granted |  |  |
Number of shares, Forfeited (in Shares) | (7,461) | (7,685) | (2,400)
Weighted average exercise price, Forfeited | $ 623.31 | $ 934.82 | $ 1,005.85
Weighted average grant date fair value, Forfeited | $ 326.36 | $ 363.82 | $ 387.63
Weighted average remaining contractual life, Forfeited |  |  |
Number of shares, Outstanding at ending (in Shares) | 216,706 | 47,277 | 54,962
Weighted average exercise price, Outstanding at ending | $ 991.99 | $ 881.97 | $ 889.35
Weighted average grant date fair value, Outstanding at ending | $ 468.60 | $ 343.83 | $ 346.63
Weighted average remaining contractual life, Outstanding at ending | 9 years | 7 years 1 month 6 days | 8 years 1 month 6 days
Number of shares, Expected to vest and exercisable (in Shares) | 216,706 |  |
Weighted average exercise price, Expected to vest and exercisable | $ 991.99 |  |
Weighted average grant date fair value, Expected to vest and exercisable | $ 468.60 |  |
Weighted average remaining contractual life, Expected to vest and exercisable | 9 years |  |

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- Definition Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. + 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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