| | 2016 | | 2015 | | ||
Raw materials | | $ | 1,190 | | $ | 1,112 | |
Work in progress | | | 267 | | | 247 | |
Finished goods | | | 284 | | | 408 | |
| | $ | 1,741 | | $ | 1,767 | |
Obsolescence reserve | | | (288) | | | (301) | |
| | $ | 1,453 | | $ | 1,466 | |