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BALANCE SHEET INFORMATION
 3 Months Ended
Jun. 30, 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
June 30, 2022March 31, 2022
   Finished goods$11,802 $14,607 
   Work in progress2,066 2,546 
   Raw materials18,774 16,393 
Total manufacturing inventories$32,642 $33,546 

Service parts inventories
June 30, 2022March 31, 2022
   Finished goods$19,876 $19,234 
   Component parts5,253 5,020 
Total service parts inventories$25,129 $24,254 

Intangibles, net
June 30, 2022March 31, 2022
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
   Developed technology$9,208 $(3,955)$5,253 $9,208 $(3,121)$6,087 
   Customer lists4,600 (1,433)3,167 4,600 (1,103)3,497 
Intangible assets, net$13,808 $(5,388)$8,420 $13,808 $(4,224)$9,584 

Intangible assets amortization expense was $1.2 million and $0.5 for the three months ended June 30, 2022 and 2021, respectively. As of June 30, 2022, the remaining weighted-average amortization period for definite-lived intangible assets was approximately 2.2 years.

As of June 30, 2022, the future expected amortization expense for intangible assets is as follows (in thousands):

Fiscal year ending Estimated future amortization expense
Remainder of 2023$3,404 
20243,417 
20251,599 
Thereafter— 
Total$8,420 
Goodwill

As of June 30, 2022 and March 31, 2022, goodwill was $13.0 million. There were no impairments to goodwill during the quarters ended June 30, 2022 and 2021.