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Earnings per Share (Table)
 6 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] The following table sets forth the computation of basic and diluted earnings per share for the three and six months ended June 30, 2020 and 2019:
 Three Months Ended June 30,Six Months Ended June 30,
(in thousands, except per share data)2020201920202019
Numerator:
Net loss$(17,208) $(17,517) $(39,943) $(34,434) 
Denominator:
Weighted average shares (basic)43,304  39,413  43,203  38,518  
Dilutive effect of potential common shares—  —  —  —  
Weighted average shares (diluted)43,304  39,413  43,203  38,518  
Basic loss per share$(0.40) $(0.44) $(0.92) $(0.89) 
Diluted loss per share$(0.40) $(0.44) $(0.92) $(0.89)