Fair Value Measurements (Tables)
 3 Months Ended
Apr. 30, 2019
Fair Value Disclosures [Abstract]  
Fair Value of Financial Assets Measured on Recurring Basis

The following tables set forth our financial assets that were accounted for at fair value on a recurring basis. There were no fair value measurements of our financial assets using level 3 inputs for the periods presented:

 

 

 

 

 

 

 

Fair Value at April 30, 2019 Using

 

 

 

Total

 

 

Level 1

 

 

Level 2

 

 

 

(Amounts in thousands)

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

Cash equivalents

 

$

3,690

 

 

$

2,723

 

 

$

967

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury Notes and bonds

 

 

6,350

 

 

 

6,350

 

 

 

—

 

U.S. Agency bonds

 

 

995

 

 

 

—

 

 

 

995

 

Corporate bonds

 

 

2,299

 

 

 

—

 

 

 

2,299

 

Total

 

$

13,334

 

 

$

9,073

 

 

$

4,261

 

 

 

 

 

 

 

 

Fair Value at January 31, 2019 Using

 

 

 

Total

 

 

Level 1

 

 

Level 2

 

 

 

(Amounts in thousands)

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

Cash equivalents

 

$

2,887

 

 

$

2,724

 

 

$

163

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury Notes and bonds

 

 

7,072

 

 

 

7,072

 

 

 

—

 

U.S. Agency bonds

 

 

992

 

 

 

—

 

 

 

992

 

Corporate bonds

 

 

2,295

 

 

 

—

 

 

 

2,295

 

Total

 

$

13,246

 

 

$

9,796

 

 

$

3,450

 
Summary of Marketable Securities by Security Type

Marketable securities by security type consisted of the following:

 

 

 

As of April 30, 2019

 

 

 

Amortized

Cost

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Fair Value

 

 

 

(Amounts in thousands)

 

U.S. Treasury Notes and bonds

 

$

6,306

 

 

$

44

 

 

$

—

 

 

$

6,350

 

U.S. Agency bonds

 

 

1,001

 

 

 

—

 

 

 

(6

)

 

 

995

 

Corporate bonds

 

 

2,306

 

 

 

—

 

 

 

(7

)

 

 

2,299

 

 

 

$

9,613

 

 

$

44

 

 

$

(13

)

 

$

9,644

 

 

 

 

As of January 31, 2019

 

 

 

Amortized

Cost

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Fair Value

 

 

 

(Amounts in thousands)

 

U.S. Treasury Notes and bonds

 

$

7,055

 

 

$

17

 

 

$

—

 

 

$

7,072

 

U.S. Agency bonds

 

 

1,001

 

 

 

—

 

 

 

(9

)

 

 

992

 

Corporate Bonds

 

 

2,308

 

 

 

—

 

 

 

(13

)

 

 

2,295

 

 

 

$

10,364

 

 

$

17

 

 

$

(22

)

 

$

10,359