Inventory, net of reserves, consist of the following:
| September 30, 2016 | September 30, 2015 | |||||||
| Raw materials | $ | 9,636,142 | $ | 3,345,432 | ||||
| Work in progress | 2,554,025 | 1,306,906 | ||||||
| Finished goods | 2,852,223 | 1,866,145 | ||||||
| 15,042,390 | 6,518,483 | |||||||
| Less: Allowance for inventory obsolescence | (970,763 | ) | $ | (148,967 | ) | |||
| Inventory net of allowance for inventory obsolescence | $ | 14,071,627 | $ | 6,369,516 | ||||