Balance Sheet Components

3 Months Ended

Mar. 31, 2022

Balance Sheet Components [Abstract]

Balance Sheet Components

5.    Balance Sheet Components

Investments

The Company’s cash equivalents consist of $9,257,000 and $21,062,000 in money market funds as of March 31, 2022 and December 31, 2021, respectively, and approximate fair value. The Company had no investments as of March 31, 2022 and December 31, 2021. All of the Company’s cash equivalents mature within one year as of March 31, 2022 and December 31, 2021.

Inventories

Components of inventories were as follows (in thousands):

	March 31,		December 31,
	2022		2021
Raw materials	$	3,031	$	2,447
Finished products		14,708		15,437
		17,739		17,884
Less: Reserve for excess and obsolete		(13)		(33)
	$	17,726	$	17,851

As of March 31, 2022 and December 31, 2021, there were no work-in-process inventories.

Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	March 31,		December 31,
	2022		2021
Accrued payroll and related expenses	$	9,889	$	13,898
Provision for sales returns		481		359
Accrued professional services		2,290		2,039
Operating lease liability		1,519		1,294
Accrued royalty expense		682		687
Deferred revenue		522		157
Accrued travel expenses		637		590
Accrued clinical expenses		73		99
Accrued other expenses		651		679
Total	$	16,744	$	19,802