Prepaid expenses and other current assets (Tables)

12 Months Ended

Dec. 31, 2018

Prepaid expenses and other current assets

Schedule of prepaid expenses and other current assets

	December 31, 2018		December 31, 2017
Prepaid expenses	$	21,547	$	4,740
Prepaid royalty		12,645		—
Non-trade receivable		8,935		—
Prepaid marketing and advertising		5,251		92
Total prepaid expenses and other current assets	$	48,378	$	4,832