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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Current assets    
Cash and cash equivalents $ 14,782 $ 12,646
Restricted cash 0 50
Short-term investments 5,124 19,808
Accounts receivable, net 3,726 241
Inventory 6,316 3,322
Prepaid expenses and other current assets 1,451 1,091
Total current assets 31,399 37,158
Property, plant and equipment, net 1,422 1,352
Right-of-use assets 1,092 103
Total assets 33,913 38,613
Current liabilities    
Accounts payable 3,279 1,012
Accrued expenses 4,418 5,249
Lease liabilities, current 103 37
Loan payable 0 5,239
Convertible notes payable 4,491 4,911
Total current liabilities 12,291 16,448
Warrant liability 15,809 5,548
Lease Liabilities, non-current 989 0
Other liabilities, non-current 632 840
Total liabilities 29,721 22,836
Commitments and contingencies (see Note 14)
Stockholders’ equity    
Preferred stock, $0.01 par value; 10,000,000 shares authorized; 12,342 and 24,819 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively 0 0
Common stock, $0.01 par value; 80,000,000 shares authorized; 27,931,393 shares and 22,761,554 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively 279 228
Additional paid-in capital 533,919 520,576
Accumulated deficit (530,014) (505,162)
Accumulated other comprehensive loss 8 135
Total stockholders’ equity 4,192 15,777
Total liabilities and stockholders’ equity $ 33,913 $ 38,613