Quarterly report pursuant to Section 13 or 15(d)

NET LOSS PER SHARE - Outstanding potentially dilutive common shares (Details)

v3.22.2
NET LOSS PER SHARE - Outstanding potentially dilutive common shares (Details) - shares
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive common shares equivalents excluded from computation of diluted net loss per share for periods presented because including them would have been antidilutive 3,563,007 2,769,095
Options issued and outstanding under stock option plan    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive common shares equivalents excluded from computation of diluted net loss per share for periods presented because including them would have been antidilutive 834,691 711,612
Convertible debt    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive common shares equivalents excluded from computation of diluted net loss per share for periods presented because including them would have been antidilutive   1,166,667
Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive common shares equivalents excluded from computation of diluted net loss per share for periods presented because including them would have been antidilutive 1,560,588 889,755
Series 1 Convertible Preferred Shares    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive common shares equivalents excluded from computation of diluted net loss per share for periods presented because including them would have been antidilutive 1,166,667  
Deferred share units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive common shares equivalents excluded from computation of diluted net loss per share for periods presented because including them would have been antidilutive 1,061 1,061