| Property and equipment |
Property and equipment consists of the following:
| | | December 31, | | | | | 2016 | | | 2015 | | Computer software | | $ | 1,192,922 | | | $ | 1,771,102 | | Machinery and equipment | | | 956,050 | | | | 922,532 | | Computer hardware | | | 874,347 | | | | 855,348 | | Leasehold improvements | | | 1,083,634 | | | | 1,030,423 | | Furniture and fixtures | | | 309,046 | | | | 302,064 | | Total | | | 4,415,999 | | | | 4,881,469 | | Less accumulated depreciation | | | (3,024,883 | ) | | | (3,265,786 | ) | Property and equipment, net | | $ | 1,391,116 | | | $ | 1,615,683 | |
|