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Earnings per Share (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Net income (in usd per share) $ (0.01) $ 0.03 $ (0.02) $ 0.07
Weighted average shares outstanding        
Weighted average shares outstanding for basic EPS (in shares) 24,694,566 24,271,895 24,571,271 24,209,667
Effect of dilutive securities        
Warrants (in shares) 0 205,772 0 78,624
Weighted average shares outstanding for diluted EPS (in shares) 24,694,566 24,788,469 24,571,271 24,549,072
Options        
Effect of dilutive securities        
Share-based payment arrangements (in shares) 0 13,971 0 9,353
Options outstanding (in shares)   308,925   313,543
Options, outstanding, weighted average exercise price during period (in USD per share)   $ 4.56   $ 4.50
RSUs        
Effect of dilutive securities        
Share-based payment arrangements (in shares) 0 296,831 0 251,428
Options outstanding (in shares)   806,363   1,097,442
Equity instruments other than options, outstanding, weighted average exercise price during period (in USD per share)   $ 3.82   $ 3.20