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Available-for-sale securities
 6 Months Ended
Jul. 31, 2022
Investments [Abstract]  
Available-for-sale securities Available-for-sale securities
The following table summarizes the values of the Company’s available-for-sale securities:
 July 31, 2022January 30, 2022
(in thousands)Fair ValueAmortized
Cost		Gross
Unrealized Gain/(Loss)		Fair ValueAmortized
Cost		Gross
Unrealized Gain/(Loss)
Convertible debt$13,403 $14,983 $(1,580)$12,872 $14,401 $(1,529)
Total available-for-sale securities$13,403 $14,983 $(1,580)$12,872 $14,401 $(1,529)
The following table summarizes the maturities of the Company’s available-for-sale securities:
July 31, 2022
(in thousands)Fair ValueAmortized Cost
Within 1 year$11,766 $12,593 
After 1 year through 5 years1,637 2,390 
Total available-for-sale securities$13,403 $14,983 
The Company's available-for-sale securities consist of investments in convertible debt instruments issued by privately-held companies. The available-for-sale securities with maturities within one year were included in "Other current assets" and maturities greater than one year were included in "Other assets" in the Balance Sheets.