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Revenue recognition
 9 Months Ended
Feb. 23, 2025
Revenue from Contract with Customer [Abstract]  
Revenue recognition Revenue recognition
The Company disaggregates its revenue based on how it markets its products and services and reviews results of operations. The following table disaggregates revenues by major product lines and services:
Three months ended
Nine months ended
February 23,
2025		February 25,
2024		February 23,
2025		February 25,
2024
CDMO$20,789 $22,306 $66,579 $67,522 
HA manufacturing14,365 13,398 25,844 22,853 
Total$35,154 $35,704 $92,423 $90,375 
The following table disaggregates revenues by the timing of revenue recognition:
Three months ended
Nine months ended
February 23,
2025		February 25,
2024		February 23,
2025		February 25,
2024
Revenues recognized over time$5,505 $7,022 $17,503 $19,229 
Revenues recognized at a point in time29,649 28,682 74,920 71,146 
Total$35,154 $35,704 $92,423 $90,375 
During the three months ended February 23, 2025, the Company had revenues concentrations of 10% or greater from two customers, accounting for 54% and 18%. During the three months ended February 25, 2024, the Company had revenues concentrations of 10% or greater from two customers, accounting for 52% and 14%.
During the nine months ended February 23, 2025, the Company had revenues concentrations of 10% or greater from three customers, accounting for 43%, 20% and 11%. During the nine months ended February 25, 2024, the Company had revenues concentrations of 10% or greater from three customers, accounting for 40%, 19%, and 10%.
Contract assets primarily relate to the Company’s unconditional right to consideration for work completed but not billed at the reporting date. Contract liabilities primarily relate to payments received from customers in advance of performance under a contract.
The following table presents changes in contract assets and liabilities:
Contract assets, current
Contract liabilities, current
Contract liabilities, noncurrent
Balance at May 26, 2024$4,069 $(2,113)$(4,960)
Changes to the beginning balance arising from:
Amounts billed as accounts receivable as the result of rights to consideration becoming unconditional
(3,923)— — 
Recognition of revenue as the result of performance obligations satisfied
— 2,113 — 
Reclassification of scheduled satisfaction of performance obligations from noncurrent to current due to passage of time
— — 918 
Net change to contract balances recognized after the beginning of the period due to amounts billed, recognition of revenue, changes in estimate, reclassifications from noncurrent to current, and interest from significant financing component
6,004 (2,565)(377)
Balance at February 23, 2025$6,150 $(2,565)$(4,419)