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Condensed Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 17,694 $ 21,388
Accounts receivable, net 4,873 3,411
Inventories 2,068 911
Prepaid expenses and other current assets 799 1,129
Total current assets 25,434 26,839
Property and equipment, net 45 58
Intangible assets, net 6,122 4,739
Operating Lease, Right-of-Use Asset 210 92
Other long-term assets, net 12 12
Total assets 31,823 31,740
Liabilities, Current [Abstract]    
Accounts payable 2,133 1,848
Debt, net of unamortized discount 4,658 5,380
Accrued Liabilities, Current 11,425 9,013
Total current liabilities 18,216 16,241
Operating lease liabilities, noncurrent 145 22
Total liabilities 18,361 16,263
Commitments and contingencies (Note 11)
Stockholders’ equity    
Common stock, $0.001 par value; 50,000,000 shares authorized; 25,745,802 and 25,688,062 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively 26 26
Additional paid-in capital 121,358 119,521
Accumulated deficit (107,922) (104,070)
Total stockholders’ equity 13,462 15,477
Total liabilities and stockholders’ equity $ 31,823 $ 31,740