Property and Equipment (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Property and equipment | ||
| Property and equipment, gross | $ 1,874,324 | $ 1,575,601 |
| Accumulated depreciation | (968,702) | (780,766) |
| Total | 905,622 | 794,835 |
| Depreciation and amortization expense of property and equipment | 187,936 | 110,557 |
| Computer software and hardware | ||
| Property and equipment | ||
| Property and equipment, gross | 404,950 | 303,076 |
| Furniture and fixtures | ||
| Property and equipment | ||
| Property and equipment, gross | 267,643 | 198,253 |
| Leasehold improvements | ||
| Property and equipment | ||
| Property and equipment, gross | 191,139 | 182,105 |
| Machinery and equipment | ||
| Property and equipment | ||
| Property and equipment, gross | 963,897 | 849,852 |
| Tooling in-process | ||
| Property and equipment | ||
| Property and equipment, gross | $ 46,695 | $ 42,315 |