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Balance Sheet Details (Tables)
6 Months Ended
Jun. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Schedule of Short-Term Investments

Short-term investments consisted of the following (dollar amounts in thousands):

 

 

 

June 30, 2020

 

Description

 

Maturity

 

Amortized

Costs

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Estimated

Fair Value

 

Commercial paper

 

1 year or less

 

$

9,100

 

 

$

11

 

 

$

(1

)

 

$

9,110

 

Corporate debt securities

 

1 year or less

 

 

2,888

 

 

 

 

 

 

 

 

 

2,888

 

U.S. Treasury securities

 

1 year or less

 

 

1,003

 

 

 

3

 

 

 

 

 

 

1,006

 

 

 

 

 

$

12,991

 

 

$

14

 

 

$

(1

)

 

$

13,004

 

 

 

 

December 31, 2019

 

Description

 

Maturity

 

Amortized

Costs

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Estimated

Fair Value

 

Commercial paper

 

1 year or less

 

$

10,903

 

 

$

3

 

 

$

 

 

$

10,906

 

Corporate debt securities

 

1 year or less

 

 

3,370

 

 

 

1

 

 

 

 

 

 

3,371

 

U.S. Treasury securities

 

1 year or less

 

 

1,249

 

 

 

1

 

 

 

 

 

 

1,250

 

 

 

 

 

$

15,522

 

 

$

5

 

 

$

 

 

$

15,527

 

Schedule of Short-Term Investments with Unrealized Losses

Total short-term investments at June 30, 2020 with unrealized losses were as follows (dollar amounts in thousands):

 

 

 

June 30, 2020

 

Description

 

Maturity

 

Fair Value

 

 

Unrealized

Losses

 

Commercial paper

 

1 year or less

 

$

2,611

 

 

$

(1

)

 

 

 

 

$

2,611

 

 

$

(1

)

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (dollar amounts in thousands):

 

 

 

At June 30,

2020

 

 

At December 31,

2019

 

Interest receivable

 

$

82

 

 

$

104

 

Prepaid research studies

 

 

285

 

 

 

 

Prepaid seminars

 

 

122

 

 

 

 

Prepaid insurance

 

 

9

 

 

 

47

 

Prepaid taxes

 

 

39

 

 

 

42

 

Prepaid other

 

 

256

 

 

 

135

 

Total

 

$

793

 

 

$

328

 

Schedule of Property and Equipment

Property and equipment consisted of the following (dollar amounts in thousands):

 

 

 

At June 30,

2020

 

 

At December 31,

2019

 

Laboratory equipment and manufacturing equipment

 

$

312

 

 

$

308

 

Furniture and fixtures

 

 

98

 

 

 

 

Computer equipment

 

 

92

 

 

 

53

 

Leasehold improvements

 

 

505

 

 

 

47

 

 

 

 

1,007

 

 

 

408

 

Less accumulated depreciation

 

 

(161

)

 

 

(110

)

Total

 

$

846

 

 

$

298

 

Schedule of Accrued Expenses

Accrued expenses consisted of the following (dollar amounts in thousands):

 

 

 

At June 30,

2020

 

 

At December 31,

2019

 

Payroll and related liabilities

 

$

736

 

 

$

861

 

Professional fees

 

 

1,110

 

 

 

268

 

Research and development costs

 

 

2,697

 

 

 

1,086

 

Other

 

 

785

 

 

 

120

 

Total

 

$

5,328

 

 

$

2,335