Accrued and Other Current Liabilities (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2019

Dec. 31, 2018

Payables and Accruals [Abstract]

Schedule of Components of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following as of December 31, 2018 and September 30, 2019:

	December 31, 2018		September 30, 2019
	(in thousands)
Accrued compensation costs	$	2,585	$	1,355
Accrual for insurance financing		—		2,062
Accrual for deferred financing fees		936		—
Accrued professional fees and consultants		484		585
Accrued logistics costs		1,424		3,015
Product related accruals		1,042		1,631
Sales tax payable		707		641
Sales return reserve		322		550
Accrued recall liability		1,512		90
Note payable (see note 11)		—		195
All other accruals		696		756
Accrued and other current liabilities	$	9,708	$	10,880

Accrued expenses and other current liabilities consisted of the following as of December 31, 2017 and 2018:

	December 31, 2017		December 31, 2018
Accrued compensation costs	$	250	$	2,585
Accrual for deferred financing fees		205		936
Accrued professional fees and consultants		444		484
Accrued logistics costs		2,017		1,424
Product related accruals		565		1,042
Sales tax payable		405		707
Sales return reserve		244		322
Accrued recall liability		—		1,512
All other accruals		564		696
Accrued and other current liabilities	$	4,694	$	9,708