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BALANCE SHEET INFORMATION
 9 Months Ended
Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]  
BALANCE SHEET INFORMATION BALANCE SHEET INFORMATION
Certain significant amounts included in the Company's condensed consolidated balance sheets consist of the following (in thousands):

Manufacturing inventories
December 31, 2022March 31, 2022
   Finished goods$13,639 $14,607 
   Work in progress2,268 2,546 
   Raw materials16,495 16,393 
Total manufacturing inventories$32,402 $33,546 

Service parts inventories
December 31, 2022March 31, 2022
   Finished goods$21,215 $19,234 
   Component parts4,607 5,020 
Total service parts inventories$25,822 $24,254 

Intangibles, net
December 31, 2022March 31, 2022
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
   Developed technology$9,013 $(5,442)$3,571 $9,013 $(2,926)$6,087 
   Customer lists4,398 (1,472)2,926 4,398 (901)3,497 
Intangible assets, net$13,411 $(6,914)$6,497 $13,411 $(3,827)$9,584 

Intangible assets amortization expense was $0.7 million and $1.2 million for the three months ended December 31, 2022 and 2021, respectively and $3.1 million and $2.5 million for the nine months ended December 31, 2022 and 2021, respectively. As of December 31, 2022, the remaining weighted-average amortization period for definite-lived intangible assets was approximately 1.8 years.

As of December 31, 2022, the future expected amortization expense for intangible assets is as follows (in thousands):
Fiscal year ending Estimated future amortization expense
Remainder of 2023$1,147 
20243,523 
20251,827 
Thereafter— 
Total$6,497 


Goodwill

As of December 31, 2022 and March 31, 2022, goodwill was $13.0 million. There were no impairments to goodwill during the nine months ended December 31, 2022 and 2021.