Accrued and Other Current Liabilities - Schedule of Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Accrued Liabilities And Other Liabilities [Abstract]
Accrued compensation costs	$ 1,355	$ 2,585
Accrual for insurance financing	2,062
Accrual for deferred financing fees		936
Accrued professional fees and consultants	585	484
Accrued logistics costs	3,015	1,424
Product related accruals	1,631	1,042
Sales tax payable	641	707
Sales return reserve	550	322
Accrued recall liability	90	1,512
Note payable (see note 11)	195
All other accruals	756	696
Accrued and other current liabilities	$ 10,880	$ 9,708