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Investments | 6 Months Ended
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Jul. 28, 2019
Investments [Abstract] |
Investments | Investments The following table summarizes the values of the Company’s available-for-sale securities:
| July 28, 2019 |  | January 27, 2019
(in thousands) | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain |  | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain
Convertible debt | $ | 7,922 |  |  | $ | 7,922 |  |  | $ | — |  |  | $ | 3,105 |  |  | $ | 3,105 |  |  | $ | — |
Total available-for-sale securities | $ | 7,922 |  |  | $ | 7,922 |  |  | $ | — |  |  | $ | 3,105 |  |  | $ | 3,105 |  |  | $ | — |
The following table summarizes the maturities of the Company’s available-for-sale securities:
| July 28, 2019 |  | January 27, 2019
(in thousands) | Market Value |  | Adjusted Cost |  | Market Value |  | Adjusted Cost
Within 1 year | $ | 1,013 |  |  | $ | 1,013 |  |  | $ | 3,105 |  |  | $ | 3,105 |
After 1 year through 5 years | 6,909 |  |  | 6,909 |  |  | — |  |  | — |
Total available-for-sale securities | $ | 7,922 |  |  | $ | 7,922 |  |  | $ | 3,105 |  |  | $ | 3,105 |
The Company's available-for-sale securities consisted 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 with maturities greater than one year were included in "Other assets" in the Balance Sheets. The Company's available-for-sale securities during the second quarter of fiscal year 2020 included a $3.2 million convertible note that has a maturity date of December 15, 2020 and an interest rate of 12%.

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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 http://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 http://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 http://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 http://asc.fasb.org/subtopic&trid=2176304 + Details
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