XML 42 R32.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued vacation $ 119 $ 57
Accrued wages and incentive 1,085 1,113
Accrued clinical & consulting 849 568
Accrued legal & patent 61 61
Accrued end of term fee   225
Deferred Rent 67 68
Accrued other expenses 90 70
Total accrued expenses $ 2,271 $ 2,162