XML 16 R7.htm IDEA: XBRL DOCUMENT v3.21.1
Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Fair value of warrants issued as consideration for placement agent services $ 756 $ 249
Seven Board Members and Three Members [Member]    
Payment of management fee   $ 463
Number of common stock issued for settlement of fees   1,795,437