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Condensed Balance Sheets (unaudited) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Current assets    
Cash and cash equivalents $ 12,998 $ 18,058
Short-term investments 45,947 48,396
Accounts receivable 11,631 12,314
Inventory 11,416 11,214
Prepaid expenses and other current assets 2,262 2,737
Total current assets 84,254 92,719
Property and equipment, net 1,048 1,003
Operating lease right-of-use asset 13,027 13,405
Restricted cash 122 122
Deferred offering costs 387 387
Other assets 15 15
Total assets 98,853 107,651
Current liabilities    
Accounts payable 3,268 2,332
Accrued liabilities 7,290 11,180
Operating lease liability 1,683 1,627
Deferred revenue 869 1,090
Total current liabilities 13,110 16,229
Long-term debt 58,039 56,954
Operating lease liability, net of current portion 13,363 13,814
Total liabilities 84,512 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 March 31, 2024 and December 31, 2023 0 0
Common stock, $0.001 par value, 200,000,000 shares authorized as of March 31, 2024 and December 31, 2023; 28,717,452 and 27,823,465 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively 29 28
Additional paid-in capital 527,046 524,435
Accumulated deficit (512,734) (503,809)
Total stockholders’ equity 14,341 20,654
Total liabilities and stockholders’ equity $ 98,853 $ 107,651