XML 47 R37.htm IDEA: XBRL DOCUMENT v3.19.1
Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accounts payable $ 441 $ 616
Accrued compensation 98 78
Accrued other expenses 672 383
Total accounts payable and accrued expenses $ 1,211 $ 1,077