Leases (Details)	3 Months Ended
	Mar. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term	2 years
Weighted average discount rate	3.20%
2019 (excluding the three months ended March 31, 2019)	$ 1,154,357
2020	558,695
2021	181,979
2022	53,786
2023	13,687
Thereafter	15,982
Total future minimum lease payments	1,978,486
Less imputed interest	(29,772)
Total	1,948,714
Accrued Liabilities	1,305,696
Other Non-Current Liabilities	$ 643,018
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms	5 years