Accrued Expenses and Long-term Liabilities - Schedule of Other Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued royalties	$ 2,000	$ 1,399
Indemnification liability	875	875
Contingent consideration	559	434
Accrued professional fees	1,318	701
Operating lease liability	1,367
Deferred revenue	480
Taxes payable	287	285
Unclaimed property	565	565
All others	1,972	832
Total other accrued expenses	$ 9,423	$ 5,091