Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Stock by Class

We sold and issued common shares under the April 2019 ATM Agreement as follows:

Description of Financing Transaction	No. of Common Shares Issued	Proceeds Received (Net of Broker Commissions and Fees )
Common shares issued pursuant to the April 2019 ATM Agreement during the year ended December 31, 2020	3,950,398	$	14,902
Common shares issued pursuant to the April 2019 ATM Agreement during the year ended December 31, 2021	15,851,391	$	52,621