Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.20.1
Subsequent Events (Details) - Subsequent Event [Member]
 1 Months Ended
Feb. 07, 2020
Feb. 14, 2020
Subsequent Event (Textual)    
Subsequent event, description The Company appointed a new chairman of the board of directors, who will be entitled to an annual fee of approximately $175 and options to purchase 162,713 ordinary shares (represented by 162,713 ADSs) exercisable at $11.06 per ADS. The options will vest over four years, in accordance with the Company's compensation policy.  
Securities Purchase Agreement [Member]    
Subsequent Event (Textual)    
Subsequent event, description   The Company entered into a Securities Purchase Agreement with a few accredited U.S. investors, pursuant to which the Company issued on March 6, 2020, in a private placement, 445,000 ordinary shares for an aggregate purchase price of $4,450.