| Schedule of property and equipment |
| |
September 30, 2018 |
|
December 31, 2017 |
| Manufacturing and laboratory equipment |
$ 7,386,573 |
|
$ 7,148,405 |
| Office equipment and computer software |
1,598,565 |
|
1,086,756 |
| Furniture and fixtures |
1,136,623 |
|
1,136,623 |
| Construction in process |
1,460,984 |
|
738,093 |
| Leasehold improvements |
1,650,029 |
|
1,642,903 |
| Land |
4,339,441 |
|
4,339,441 |
| Buildings and building improvements |
15,670,559 |
|
15,660,559 |
| |
33,242,774 |
|
31,752,780 |
| Less: Accumulated depreciation |
(2,880,145) |
|
(1,285,922) |
| Total property, plant and equipment, net |
$ 30,362,629 |
|
$ 30,466,858 |
|