Consolidated Statements of Operations - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenues:      
Total revenues $ 11,838 $ 5,885 $ 3,364
Cost of revenues 10,564 5,981 3,304
Gross profit/(loss) 1,274 (96) 60
Operating expenses:      
Sales and marketing 37,575 16,077 6,303
Research and development 16,261 5,293 2,497
General and administrative 24,836 13,823 8,865
Total operating expenses 78,672 35,193 17,665
Loss from operations (77,398) (35,289) (17,605)
Other income/(expense):      
Interest income, net 151 40 (2,657)
Change in fair value of warrant liability (1,088) (1,228) (441)
Gain on debt extinguishment of convertible notes     928
Change in fair value of derivative liability     (355)
Total other expense (937) (1,188) (2,525)
Net loss $ (78,335) $ (36,477) $ (20,130)
Weighted average shares outstanding used in computing net loss per share, basic and diluted 28,884,874 16,979,411 7,005,037
Net loss per share of common stock outstanding, basic and diluted $ (2.71) $ (2.15) $ (2.87)
Assay Revenue      
Revenues:      
Total revenues $ 11,023 $ 4,241 $ 1,403
Contract Revenue      
Revenues:      
Total revenues $ 815 $ 1,644 $ 1,961