Earnings (Loss) per Share - Anti-Dilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Stock Options
Anti-dilutive stock options
Ordinary share equivalents excluded from the calculations of diluted earnings per share	948,682	1,027,485	948,682	1,027,485
Restricted Stock Units ("RSUs")
Anti-dilutive stock options
Ordinary share equivalents excluded from the calculations of diluted earnings per share	741,484	189,398	741,484	189,398
Warrants
Anti-dilutive stock options
Ordinary share equivalents excluded from the calculations of diluted earnings per share	10,619,347	5,438,842	10,619,347	5,438,842