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Available-for-sale securities | 6 Months Ended
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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, 2022 |  | January 30, 2022
(in thousands) | Fair Value |  | Amortized Cost |  | Gross Unrealized Gain/(Loss) |  | Fair Value |  | Amortized 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 Value |  | Amortized Cost |  |  |  |
Within 1 year | $ | 11,766 |  |  | $ | 12,593 |  |  |  |  |
After 1 year through 5 years | 1,637 |  |  | 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.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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