Quarterly report pursuant to Section 13 or 15(d)

BALANCE SHEET INFORMATION

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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, 2022 March 31, 2022
   Finished goods $ 11,802  $ 14,607 
   Work in progress 2,066  2,546 
   Raw materials 18,774  16,393 
Total manufacturing inventories $ 32,642  $ 33,546 

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

Intangibles, net
June 30, 2022 March 31, 2022
Gross Accumulated Amortization Net Gross Accumulated Amortization Net
   Developed technology $ 9,208  $ (3,955) $ 5,253  $ 9,208  $ (3,121) $ 6,087 
   Customer lists 4,600  (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 
2024 3,417 
2025 1,599 
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.