Loss per common share (Tables)
|12 Months Ended|
Dec. 31, 2020
|Earnings Per Share [Abstract]|
|Schedule of Income (Loss) Per Common Share, Basic and Diluted||
Basic and diluted loss per share for the years ended December 31, 2020 and 2019, respectively, was as follows:
Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef