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Condensed Balance Sheets (unaudited) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Current assets    
Cash and cash equivalents $ 12,844 $ 18,058
Short-term investments 42,693 48,396
Accounts receivable 11,242 12,314
Inventory 11,363 11,214
Prepaid expenses and other current assets 2,084 2,737
Total current assets 80,226 92,719
Property and equipment, net 998 1,003
Operating lease right-of-use asset 12,641 13,405
Restricted cash 122 122
Deferred offering costs 387 387
Other assets 15 15
Total assets 94,389 107,651
Current liabilities    
Accounts payable 2,290 2,332
Accrued liabilities 7,745 11,180
Operating lease liability 1,741 1,627
Deferred revenue 809 1,090
Total current liabilities 12,585 16,229
Long-term debt 59,016 56,954
Operating lease liability, net of current portion 12,903 13,814
Total liabilities 84,504 86,997
Commitments and contingencies (Note 5)
Stockholders’ equity    
Preferred stock, $0.001 par value, 10,000,000 shares authorized and no shares issued and outstanding as of June 30, 2024 and December 31, 2023 0 0
Common stock, $0.001 par value, 200,000,000 shares authorized as of June 30, 2024 and December 31, 2023; 29,139,206 and 27,823,465 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively 29 28
Additional paid-in capital 530,104 524,435
Accumulated deficit (520,248) (503,809)
Total stockholders’ equity 9,885 20,654
Total liabilities and stockholders’ equity $ 94,389 $ 107,651