Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 14,943	$ 4,405
Restricted cash	200
Marketable securities, short-term	5,214	26,806
Accounts receivable, net of allowances for credit losses of $2,570 and $4,011 at June 30, 2024, and December 31, 2023, respectively	6,917	6,862
Inventory	51,311	61,401
Prepaid expenses and other current assets	4,509	5,236
Total current assets	83,094	104,710
Property and equipment, net	3,191	3,458
Operating right-of-use assets	2,010	2,503
Marketable securities, long-term		1,977
Intangible assets, net	2,057	2,192
Other assets	768	728
Goodwill	12,209	12,209
Total assets	103,329	127,777
Current liabilities:
Accounts payable	7,085	15,685
Accrued expenses and other current liabilities	6,639	8,681
Deferred revenue, current portion	275	335
Warranty liability, current portion	539	526
Operating lease liabilities, current portion	936	1,192
Total current liabilities	15,474	26,419
Warranty liability, net of current portion	5,238	5,106
Deferred revenue, net of current portion	704	466
Long-term debt, net of unamortized debt discount and issuance costs	36,040	31,570
Operating lease liabilities, net of current portion	1,133	1,392
Total liabilities	58,589	64,953
Commitments and Contingencies (see Note 10)
Stockholders' equity
Common stock, $0.0001 par value: 150,000,000 authorized; 60,371,987 and 58,751,666 shares issued and outstanding at June 30, 2024, and December 31, 2023, respectively	6	6
Additional paid-in capital	143,364	138,657
Accumulated deficit	(98,607)	(75,780)
Accumulated other comprehensive loss	(23)	(59)
Total stockholders' equity	44,740	62,824
Total liabilities and stockholders' equity	$ 103,329	$ 127,777