| Supplemental Information |
9. SUPPLEMENTAL INFORMATION
Certain balance sheet amounts are as follows:
|
|
As of March 31,
|
|
|
As of December 31,
|
|
|
In Thousands
|
2020
|
|
|
2019
|
|
|
Inventory:
|
|
|
|
|
|
|
|
|
Raw materials
|
$
|
2,535
|
|
|
$
|
2,211
|
|
|
Work-in-process
|
|
445
|
|
|
|
272
|
|
|
Finished goods
|
|
218
|
|
|
|
111
|
|
|
Total
|
$
|
3,198
|
|
|
$
|
2,594
|
|
Certain statements of operations amounts are as follows:
|
|
Three Months Ended March 31,
|
|
|
In Thousands
|
2020
|
|
|
2019
|
|
|
Stock compensation expense:
|
|
|
|
|
|
|
|
|
Research and development
|
$
|
319
|
|
|
$
|
241
|
|
|
Selling and supply chain
|
|
(251
|
)
|
|
|
63
|
|
|
General and administrative
|
|
1,203
|
|
|
|
1,286
|
|
|
Total
|
$
|
1,271
|
|
|
$
|
1,590
|
|
|
|
Three Months Ended March 31,
|
|
|
In Thousands
|
2020
|
|
|
2019
|
|
|
Interest, net:
|
|
|
|
|
|
|
|
|
Interest expense
|
$
|
(372
|
)
|
|
$
|
(370
|
)
|
|
Interest income
|
|
(26
|
)
|
|
|
542
|
|
|
Total
|
$
|
(398
|
)
|
|
$
|
172
|
|
|
|
|
|
|
|
|
|
|
Certain statements of cash flows amounts are as follows:
|
|
As of March 31, 2020
|
|
|
In Thousands
|
2020
|
|
|
2019
|
|
|
Cash, cash equivalents, restricted cash, and short-term investments:
|
|
|
|
|
|
|
|
|
Cash and cash equivalents
|
$
|
7,385
|
|
|
$
|
84,231
|
|
|
Restricted cash
|
|
1,433
|
|
|
|
1,501
|
|
|
Total cash, cash equivalents, and restricted cash:
|
|
8,818
|
|
|
|
85,732
|
|
|
Short-term investments
|
|
38,620
|
|
|
|
—
|
|
|
Total cash, cash equivalents, restricted cash, and short-term investments:
|
$
|
47,438
|
|
|
$
|
85,732
|
|
|
|
Three Months Ended March 31,
|
|
|
In Thousands
|
2020
|
|
|
2019
|
|
|
Supplemental cash flow information:
|
|
|
|
|
|
|
|
|
Interest paid
|
$
|
367
|
|
|
$
|
365
|
|
|