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Revenue (Tables)
3 Months Ended
Mar. 31, 2023
Revenue  
Schedule of net sales disaggregated by geographic market

 


Three months ended March 31,

(in thousands)



2023


2022

Product revenue









United States


$ 2,370
$ 1,594
United Kingdom

321


266
Other

43


39
License revenue







Japan

46



Total Net Sales


$ 2,780

$ 1,899