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Stockholders' Equity And Stock-Based Compensation (Performance Award Activity) (Details) - Performance Awards [Member]
12 Months Ended
Dec. 31, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding as of December 31, 2015 1,889,465
Granted 150,000
Vested Performance Awards 0
Outstanding as of December 31, 2016 1,554,465
Remoxy [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vested Performance Awards (485,000)