Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 34,801	$ 36,946
Accounts receivable, net	13,078	11,554
Inventory	8,053	8,391
Prepaid expenses and other current assets	450	988
Total current assets	56,382	57,879
Property and equipment, net	4,078	3,717
Right-of-use assets	5,494	5,495
Other assets	212	212
Total assets	66,166	67,303
Current liabilities:
Accounts payable	2,434	2,916
Accrued liabilities	2,122	4,336
Deferred revenue	81	336
Lease liabilities, current portion	1,259	1,190
Total current liabilities	5,896	8,778
Lease liabilities, net of current portion	4,322	4,390
Long-term income tax liability	162	214
Total liabilities	10,380	13,382
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.0001 par value per share; 5,000,000 shares authorized; no shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively
Common stock, $0.0001 par value per share; 100,000,000 shares authorized; 21,406,511 and 21,080,472 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively	2	2
Additional paid-in capital	193,636	191,569
Accumulated deficit	(137,852)	(137,650)
Total stockholders' equity	55,786	53,921
Total liabilities and stockholders' equity	$ 66,166	$ 67,303