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BALANCE SHEET INFORMATION
 9 Months Ended
Dec. 31, 2024
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, 2024March 31, 2024
   Finished goods$9,741 $7,074 
   Work in progress1,399 770 
   Raw materials7,721 9,909 
Total manufacturing inventories$18,861 $17,753 

Service parts inventories
December 31, 2024March 31, 2024
   Finished goods$1,377 $3,660 
   Component parts507 6,123 
Total service parts inventories$1,884 $9,783 

Intangibles, net
December 31, 2024March 31, 2024
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
   Developed technology$9,013 $(9,013)$— $9,013 $(8,550)$463 
   Customer lists4,398 (3,889)509 4,398 (3,192)1,206 
Intangible assets, net$13,411 $(12,902)$509 $13,411 $(11,742)$1,669 

Intangible assets amortization expense was $0.2 million and $1.2 million and $0.8 million and $3.0 million for the three and nine months ended December 31, 2024 and 2023, respectively. As of December 31, 2024, the remaining weighted-average amortization period for definite-lived intangible assets was approximately 0.6 years. The Company recorded amortization of developed technology in cost of product revenue, and customer lists in sales and marketing expenses in the condensed consolidated statements of operations.

As of December 31, 2024, the future expected amortization expense for intangible assets is as follows (in thousands):

Fiscal year ending Estimated future amortization expense
Remainder of 2025$228 
2026281 
Total$509 


Goodwill

As of December 31, 2024 and March 31, 2024, goodwill was $13.0 million. There were no impairments to goodwill as of December 31, 2024 and March 31, 2024.

Other long-term assets
December 31, 2024March 31, 2024
Capitalized SaaS implementation costs for internal use$14,786 $15,349 
Capitalized debt costs3,292 1,923 
Contract asset1,264 1,477 
Deferred taxes711 734 
Other759 257 
   Total other long-term assets$20,812 $19,740 

Other accrued liabilities
December 31, 2024March 31, 2024
Accrued expenses
$8,093 $4,251 
Asset retirement obligation
3,683 2,069 
Accrued warranty
1,195 1,545 
Accrued interest
506 524 
Lease liability1,227 1,256 
Accrued income taxes
390 1,044 
Other
4,014 3,297 
   Total other accrued liabilities$19,108 $13,986 
The following table details the change in the accrued warranty balance (in thousands):
December 31, 2024March 31, 2024
Beginning balance$1,545 $2,094 
   Current period accruals1,696 2,563 
   Adjustments to prior estimates46 (141)
   Charges incurred(2,092)(2,971)
Ending balance$1,195 $1,545