Prepaid Expenses and Other Receivables (Tables)

3 Months Ended

Mar. 31, 2021

Other Income and Expenses [Abstract]

Schedule of Other Current Assets [Table Text Block]

Prepaid expenses and other receivables consisted of the following at March 31, 2021 and December 31, 2020:

	March 31, 2021		December 31, 2020
Prepaid expenses	$	99,425	$	217,591
Other receivables		119,936		132,155
	$	219,361	$	349,746