5. Accrued Expenses (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Accrued expenses	$ 1,711,300	$ 438,028
Legal
Accrued expenses	317,567	21,477
Pre-commercial costs
Accrued expenses	94,169	0
Consulting
Accrued expenses	92,437	13,105
Audit and tax
Accrued expenses	893,949	39,820
License fees
Accrued expenses	0	205,444
Contract manufacturing
Accrued expenses	35,657	126,700
Contract research
Accrued expenses	28,811	16,800
Miscellaneous expenses
Accrued expenses	$ 1,711,300	$ 14,682