Accrued Expenses and Long-Term Liabilities - Schedule of Other Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Accrued royalties	$ 476	$ 296
Indemnification liability	875	875
Contingent consideration	232	232
DOJ settlement	500	500
Accrued professional fees	823	700
Taxes payable	519	515
Unclaimed property	565	565
All others	1,087	1,321
Total other accrued expenses	$ 5,077	$ 5,004