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Inventory (Tables)
3 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventory consists of the following as of the dates presented (in thousands):
June 30, 2021March 31, 2021
Raw materials$788 $626 
Work in process1,153 1,054 
Finished goods983 543 
Total$2,924 $2,223