6. Accrued Expenses (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Commissions payable	$ 7,565,357	$ 2,417,621
Payroll payable	749,203	54,402
Vacation payable	283,077	78,294
Taxes payable	99,809	58,714
Other accrued expenses	120,734	133,088
Total accrued expenses	$ 8,818,180	$ 2,742,119