Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 9,025	$ 4,405
Marketable securities, short-term	12,920	26,806
Accounts receivable, net of allowances for credit losses of $3,159 and $4,011 at March 31, 2024 and December 31, 2023, respectively	6,306	6,862
Inventory, net	55,757	61,401
Prepaid expenses and other current assets	4,388	5,236
Total current assets	88,396	104,710
Property and equipment, net	3,375	3,458
Operating right-of-use assets	2,285	2,503
Marketable securities, long-term		1,977
Intangible assets, net	2,125	2,192
Other assets	731	728
Goodwill	12,209	12,209
Total assets	109,121	127,777
Current liabilities:
Accounts payable	6,030	15,685
Accrued expenses and other current liabilities	6,039	8,681
Deferred revenue, current portion	444	335
Warranty liability, current portion	522	526
Operating lease liabilities, current portion	1,124	1,192
Total current liabilities	14,159	26,419
Warranty liability, net of current portion	4,957	5,106
Deferred revenue, net of current portion	607	466
Long-term debt, net of and unamortized debt discount and issuance costs	33,805	31,570
Operating lease liabilities, net of current portion	1,269	1,392
Total liabilities	54,797	64,953
Commitments and Contingencies (see Note 10)
Stockholders' equity
Common stock, $0.0001 par value: 150,000,000 authorized, 60,358,166 and 58,751,166 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	6	6
Additional paid-in capital	141,651	138,657
Accumulated deficit	(87,286)	(75,780)
Accumulated other comprehensive loss	(47)	(59)
Total stockholders' equity	54,324	62,824
Total liabilities and stockholders' equity	$ 109,121	$ 127,777