Common Shares - ATM Agreement (Details)	1 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2020 security	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) shares	Sep. 30, 2020 USD ($) shares	Sep. 30, 2019 USD ($)
Subsidiary, Sale of Stock [Line Items]
Proceeds from Issuance of Common Stock				$ 1,436,000
At-The-Market Offering Agreement [Member] | H. C. Wainwright And Co., LLC [Member]
Subsidiary, Sale of Stock [Line Items]
Threshold of aggregate sales proceeds		$ 10,000,000
Stock Issued During Period, Shares, New Issues | shares			509,315	1,541,134
Proceeds from Issuance of Common Stock			$ 629,000	$ 1,436,000
Offers or sales of common shares under Agreement to be made in Canada | security	0
Offers or sales of common shares					$ 0