Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Income and Expenses [Abstract]
Interest expense	$ 2,998	$ 1,539
Payroll	2,127	1,789
Professional fees	2,140	1,881
Wholesaler fees	687	747
Medicaid and Medicare rebates	863	987
Rebates	606	774
Royalties	85	377
Clinical studies	334	334
Income Tax	19	20
Capital expenditures	77	23
Inventory and Supplies	258	250
Other	200	564
Accrued expenses	$ 10,394	$ 9,285