XML 60 R8.htm IDEA: XBRL DOCUMENT v3.20.1
Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Statement Of Cash Flows [Abstract]    
Change in fair value of convertible promissory notes related party $ 0 $ 14
Related parties prepaid expenses and other assets current 0 (114)
Related parties accounts payable and accrued expenses 289 46
Related parties accrued interest $ 0 $ 11