4. Prepaid Expenses and Other Current Assets (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Prepaid expenses and other current assets	$ 1,035,379	$ 142,208
Collaborative Development Agreement [Member]
Prepaid expenses and other current assets	191,531	0
Payment with a letter of intent to acquire business [Member]
Prepaid expenses and other current assets	0	32,500
Prepaid Rent [Member]
Prepaid expenses and other current assets	55,211	0
Vendor Advances [Member]
Prepaid expenses and other current assets	43,219	0
Prepaid Service Agreements [Member]
Prepaid expenses and other current assets	578,732	83,690
Employee Advance and Other Payroll Related Items [Member]
Prepaid expenses and other current assets	15,734	0
Other Prepaid Expenses and Current Assets [Member]
Prepaid expenses and other current assets	$ 150,952	$ 26,018