Other current assets consist of the following: (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid sales and marketing costs	$ 553,789	$ 1,583,698
Debt financing fees on undrawn tranches (Note 9)	275,378	550,757
Prepaid insurance	1,064,468	1,812,135
Prepaid manufacturing	955,659	2,595,721
Other prepaid costs	3,769,073	4,787,482
TOTAL OTHER CURRENT ASSETS	$ 6,618,367	$ 11,329,793