Commitments and Contingencies - Future Minimum Rental Payments for Capital and Operating Leases (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Capital Leases
2018	$ 199,605
2019	156,303
2020	41,828
2021	5,173
2022	0
Thereafter	0
Total minimum lease payments	402,909
Less: amount representing interest	17,866
Total present value of minimum payments	385,043
Less: current portion of capital lease obligations	227,678	$ 254,399
Long-term capital lease obligations	157,365	$ 192,137
Operating Leases
2018	3,418,621
2019	2,451,287
2020	967,326
2021	612,619
2022	283,302
Thereafter	0
Total minimum lease payments	7,733,155
Cloud Data Storage
2018	94,748
2019	478,506
2020	682,329
2021	1,014,517
2022	1,115,969
Thereafter	1,227,566
Unrecorded Unconditional Purchase Obligation	$ 4,613,635