| | | December 31, | | ||||
| | | 2013 | | 2012 | | ||
| Raw materials | | $ | 5,351 | | $ | 6,493 | |
| Work in process | | | 2,815 | | | 2,950 | |
| Finished goods | | | 5,394 | | | 6,659 | |
| | | | 13,560 | | | 16,102 | |
| Less current inventory | | | (8,975) | | | (11,319) | |
| | | | 4,585 | | | 4,783 | |
| Less reserve for slow moving and obsolete inventory | | | (2,470) | | | (2,185) | |
| | | $ | 2,115 | | $ | 2,598 | |