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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 14,009 $ 17,665
Short-term investments 32,773 73,784
Accounts receivable, net 5,081 5,798
Inventory 11,074 15,462
Prepaid expenses and other current assets 2,334 8,397
Total current assets 65,271 121,106
Property and equipment, net 664 2,860
Operating lease right-of-use assets 2,974 2,455
Intangible assets, net 661 2,292
Goodwill 8,454 8,454
Other assets 136 118
Total assets 78,160 137,285
Current liabilities:    
Accounts payable 1,176 4,438
Accrued expenses 3,266 5,357
Accrued compensation 2,758 3,616
Operating lease liabilities 1,377 1,114
Current portion of term loan 24,900  
Other current liabilities 1,844 2,191
Total current liabilities 35,321 16,716
Operating lease liabilities, net of current 1,423 1,095
Term loan, net of current 12,467 36,746
Other liabilities 530 773
Total liabilities 49,741 55,330
Commitments and contingencies (Note 8)
Stockholders, equity:    
Preferred stock, $0.001 par value; authorized - 10,000,000 shares; issued and outstanding - none
Common stock, $0.001 par value; authorized - 500,000,000 shares as of December 31, 2023 and 2022; issued - 63,547,467 shares as of December 31, 2023 and 49,974,281 shares as of December 31, 2022; outstanding - 63,547,467 shares as of December 31, 2023 and 49,974,281 shares as of December 31, 2022 64 50
Additional paid-in-capital 458,357 451,060
Accumulated other comprehensive gain (loss) 11 (61)
Accumulated deficit (430,013) (369,094)
Total stockholders' equity 28,419 81,955
Total liabilities and stockholders' equity $ 78,160 $ 137,285