XML 48 R31.htm IDEA: XBRL DOCUMENT v3.19.1
BALANCE SHEET DETAILS - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Accrued liabilities:    
Research and development $ 399 $ 404
Payroll 371 368
Legal 45 438
Purchase commitment liability   215
Deferred Revenue   8
Other 119 170
Total $ 934 $ 1,603