XML 50 R38.htm IDEA: XBRL DOCUMENT v3.19.2
Note 7 - Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Accrued expenses $ 739 $ 495
Accrued clinical trial costs 474 276
Grant liability 635 645
Customer deposits 104 112
Total $ 1,952 $ 1,528