Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Interest expense	$ 2,103	$ 1,042
Payroll	1,968	1,908
Professional fees	1,754	2,153
Wholesaler fees	1,376	203
Medicaid and Medicare rebates	1,161	383
Rebates	601	714
Royalties	585	222
Clinical studies	334	334
Income Tax	64	45
Capital expenditures	52	275
Inventory and Supplies	42	1,809
Other	398	754
Accrued expenses	$ 10,438	$ 9,842