Summary of Significant Accounting Policies (Tables)
|
6 Months Ended |
Jun. 30, 2019 |
|---|
| Accounting Policies [Abstract] |
|
| Summary of Components of Marketable Securities |
The following is a summary of the components of our marketable debt securities and the underlying fair value input level
tier hierarchy (see long-lived assets below) (in thousands):
| |
|
As of June 30, 2019 |
|
| |
|
Amortized |
|
|
Unrealized |
|
|
Market |
|
| |
|
Cost |
|
|
Losses |
|
|
Value |
|
| U.S treasuries |
|
$ |
1,174 |
|
|
$ |
(1 |
) |
|
$ |
1,173 |
|
| Corporate bonds |
|
|
3,512 |
|
|
|
- |
|
|
|
3,512 |
|
| |
|
$ |
4,686 |
|
|
$ |
(1 |
) |
|
$ |
4,685 |
|
| |
|
As of December 31, 2018 |
|
| |
|
Amortized |
|
|
Unrealized |
|
|
Market |
|
| |
|
Cost |
|
|
Losses |
|
|
Value |
|
| U.S treasuries |
|
$ |
2,401 |
|
|
$ |
(3 |
) |
|
$ |
2,398 |
|
| Corporate bonds |
|
|
4,310 |
|
|
|
(21 |
) |
|
|
4,289 |
|
| |
|
$ |
6,711 |
|
|
$ |
(24 |
) |
|
$ |
6,687 |
|
|
| Components of Inventory |
The components of inventory are as follows (in thousands):
| |
|
June 30, 2019 |
|
|
December 31, 2018 |
|
| Raw materials |
|
$ |
960 |
|
|
$ |
1,374 |
|
| Work in process |
|
|
452 |
|
|
|
371 |
|
| Finished goods |
|
|
614 |
|
|
|
158 |
|
| |
|
$ |
2,026 |
|
|
|
1,903 |
|
|
| Schedule of Fair Value of Financial Instruments |
We account for our marketable
debt securities at fair value pursuant to GAAP, with the net unrealized gains or losses reported as a component of accumulated
other comprehensive income or loss.
| |
|
As of June 30, 2019 |
|
| |
|
Level 1 |
|
|
Level 2 |
|
|
Level 3 |
|
|
Total |
|
| Marketable debt securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| U.S. government obligations |
|
$ |
- |
|
|
$ |
1,173 |
|
|
$ |
- |
|
|
$ |
1,173 |
|
| Corporate obligations |
|
|
- |
|
|
|
3,512 |
|
|
|
- |
|
|
|
3,512 |
|
| |
|
$ |
- |
|
|
$ |
4,685 |
|
|
$ |
- |
|
|
$ |
4,685 |
|
| |
|
As of December 31, 2018 |
|
| |
|
Level 1 |
|
|
Level 2 |
|
|
Level 3 |
|
|
Total |
|
| Marketable debt securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| U.S. government obligations |
|
$ |
- |
|
|
$ |
2,398 |
|
|
$ |
- |
|
|
$ |
2,398 |
|
| Corporate obligations |
|
|
- |
|
|
|
4,289 |
|
|
|
- |
|
|
|
4,289 |
|
| |
|
$ |
- |
|
|
$ |
6,687 |
|
|
$ |
- |
|
|
$ |
6,687 |
|
|
| Schedule of Deferred Revenue |
The
following table disaggregates the Company’s deferred revenue by recognition period (in thousands):
| Recognition Period |
|
Deferred Revenue |
|
| 0-12 Months |
|
$ |
111 |
|
| 13-24 Months |
|
|
96 |
|
| Over 24 Months |
|
|
95 |
|
| Total |
|
$ |
302 |
|
|
| Schedule of Disaggregation by Revenue |
The
following table disaggregates the Company’s revenue by revenue source for the three and six months ended June 30, 2019 and
2018 (in thousands):
| |
|
For the Three Months ended |
|
|
For the Six Months Ended |
|
| Revenue by Customer Type |
|
June 30, 2019 |
|
|
June 30, 2018 |
|
|
June 30, 2019 |
|
|
June 30, 2018 |
|
| Contract manufacturing |
|
$ |
1,452 |
|
|
$ |
3,106 |
|
|
$ |
3,576 |
|
|
$ |
6,440 |
|
| Retail and others |
|
|
199 |
|
|
|
80 |
|
|
|
393 |
|
|
|
154 |
|
| Total revenue |
|
$ |
1,651 |
|
|
$ |
3,186 |
|
|
$ |
3,969 |
|
|
$ |
6,594 |
|
|