Inventories at December 31, 2015 and 2014 consists of the following categories:
| 2015 | 2014 | |||||||
| Raw Materials | $ | 348,216 | $ | 413,897 | ||||
| Sub-Assemblies | 786,656 | 433,793 | ||||||
| Finished Goods | 25,721 | 86,365 | ||||||
| Reserve for Obsolescence | (28,939 | ) | (28,939 | ) | ||||
| $ | 1,131,654 | $ | 905,116 | |||||