Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 37,143	$ 46,729
Accounts receivable, net of allowances of $303 and $416	9,955	9,737
Inventory	13,602	13,162
Prepaid expenses and other assets	1,918	2,098
Total current assets	62,618	71,726
Property and equipment, net	2,325	1,984
Intangible assets, net	2,024	2,119
Right-of-use assets	1,904	1,954
Other long-term assets	2,701
Restricted cash	265	265
Total assets	71,837	78,048
Current liabilities:
Accounts payable	3,357	1,667
Accrued expenses and other current liabilities	11,822	15,300
Total current liabilities	15,179	16,967
Long-term debt	40,665	40,515
Other long-term liabilities	1,609	1,685
Total liabilities	57,453	59,167
Stockholders' equity:
Preferred stock; $0.001 par value: 10,000,000 shares authorized; no shares issued and outstanding
Common stock; $0.001 par value: 200,000,000 shares authorized; 24,653,939 and 24,494,675 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	25	24
Additional paid-in capital	340,812	339,655
Accumulated other comprehensive income	97	91
Accumulated deficit	(326,550)	(320,889)
Total stockholders' equity	14,384	18,881
Total liabilities and stockholders' equity	$ 71,837	$ 78,048