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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 59,107 $ 50,366
Short-term investments 11,916 30,345
Accounts receivable 2,838 0
Prepaid expenses and other current assets 2,874 2,659
Total current assets 76,735 83,370
Operating lease right-of-use assets 1,191 1,645
Property and equipment, net 391 237
Other assets 104 153
Total assets 78,421 85,405
Current liabilities:    
Accounts payable 3,977 1,225
Accrued expenses 7,239 5,886
Current portion of deferred revenue 14,700  
Current portion of long-term notes payable 5,714 1,428
Current portion of operating lease liabilities 408 376
Total current liabilities 32,038 8,915
Long-term notes payable 3,239 8,750
Long-term deferred revenue 10,378  
Long-term operating lease liabilities 824 1,235
Total liabilities 46,479 18,900
Commitments and contingencies
Stockholders' equity:    
Common stock, $0.0001 par value; 200,000,000 shares authorized as of December 31, 2022 and 2021; 34,414,149 and 29,455,668 shares issued and outstanding as of December 31, 2022 and 2021, respectively 3 2
Additional paid-in capital 204,268 176,618
Accumulated other comprehensive income (loss) 76 (138)
Accumulated deficit (172,405) (109,977)
Total stockholders' equity 31,942 66,505
Total liabilities and stockholders' equity $ 78,421 $ 85,405