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December 2020 Convertible Debenture and Warrants (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Dec. 14, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
December 2020 Convertible Debenture and Warrants (Details) [Line Items] |  |  |  |
Net proceeds allocated to convertible debenture | $ 1,540,000 | $ 1,540,000 |  |
Convertible debenture, description | i) a 9% senior secured convertible debenture (the “2020 Convertible Debenture” or “Debenture”) in the principal amount of $1,600,000, which is convertible up to 800,000 ADSs at $2.00 per ADS at any time, matures 30 months from the date of issuance and accrues interest at 9% per annum payable quarterly in cash or, in lieu of cash payment, in our ADSs, subject to adjustment and certain customary equity conditions; ii) a 2-year warrant (“Series B Warrant”) to purchase 5,000,000 ADS at an exercise price of $2.00 per ADS; iii) a warrant to purchase 1,200,000 ADS (“Series A Warrant”) until December 14, 2027 at an exercise price of $2.45 per ADS; and iv) a 7-year warrant to purchase 7,500,000 ADS (“Series C Warrant”, together with Series A Warrant and Series B Warrant, the “December 2020 Warrants”) at an exercise price of $2.45 per ADS. The exercisability of Series C Warrant shall vest ratably from time to time in proportion to the exercise of the Series B Warrant by the holder. Further, for each $1 million of subscription amount under the 2020 Convertible Debenture and the Series B Warrant, the purchaser shall receive a certificate representing 50,000 ADSs (or such lesser number on a ratable basis if the Subscription Amount is less than $1 million). |  |  |
Exercise price (in Dollars per share) |  | $ 2.20 |  |
Net proceeds allocated to convertible debenture |  | $ 206,000 |  |
Beneficial Conversion Feature (BCF) |  | 206,000 |  |
Issuance costs charged to equity |  | 77,500 |  |
Amount paid to the holder |  | 60,000 |  |
Remaining unamortized debt discount |  | 784,000 |  |
Recognized interest expense |  | 20,000 |  |
Contractual interest |  | 7,000 |  |
Amortization of the debt discounts and debt issuance cost |  | 13,000 |  |
Debenture carrying value |  | 816,000 |  |
Series A [Member] |  |  |  |
December 2020 Convertible Debenture and Warrants (Details) [Line Items] |  |  |  |
Fair value adjustment of warrants |  | 1,220,000 |  |
Net proceeds from issuance of warrants |  | 157,000 |  |
Aggregate proceeds |  | 737,000 |  |
Series B [Member] |  |  |  |
December 2020 Convertible Debenture and Warrants (Details) [Line Items] |  |  |  |
Fair value adjustment of warrants |  | 2,915,000 |  |
Net proceeds from issuance of warrants |  | 375,000 |  |
Aggregate proceeds |  | 803,000 |  |
Series C [Member] |  |  |  |
December 2020 Convertible Debenture and Warrants (Details) [Line Items] |  |  |  |
Fair value adjustment of warrants |  | 6,244,000 |  |
Net proceeds from issuance of warrants |  | $ 802,000 |  |

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