Quarterly report pursuant to Section 13 or 15(d)

Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Accrued Expenses and Other Current Liabilities (Details)

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Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Accrued Expenses And Other Current Liabilities [Abstract]    
Personnel-related accruals $ 2,180 $ 2,603
Royalties payable 93 130
Professional fees 222 396
Sales/ use tax payable 216 273
Contingent consideration 750 750
Operating lease liability 289  
Deferred rent   24
Other 459 251
Accrued expenses and other current liabilities $ 4,209 $ 4,427