Commitments and Contingencies - Additional Information (Detail) |
1 Months Ended | 9 Months Ended | |
|---|---|---|---|
|
Nov. 30, 2017
ft²
|
Sep. 30, 2018
USD ($)
ft²
|
Sep. 30, 2017
USD ($)
|
|
| Loss Contingencies [Line Items] | |||
| Total operating leases rent expense | $ | $ 116,640 | $ 155,513 | |
| Cincinnati, Ohio [Member] | |||
| Loss Contingencies [Line Items] | |||
| Area of lease property | 7,580 | ||
| Lease expiration date | Jul. 31, 2021 | ||
| Dexter, MI [Member] | |||
| Loss Contingencies [Line Items] | |||
| Area of lease property | 687 | ||
| Lease expiration date | Oct. 31, 2019 | ||