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Shareholders' Deficit (Tables)
12 Months Ended
Dec. 31, 2018
Stockholders' Equity Note [Abstract]  
Schedule of Stockholders Equity [Table Text Block]
The following reflects the activity in the shares of our common stock for the years ended December 31:
Common Shares (in thousands)
2018
2017
2016
Beginning balance
32,733

32,473

32,141

Issuance of equity awards, net
357

260

332

Ending balance
33,090

32,733

32,473