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Stock-Based Compensation (Details)
9 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Number of Shares  
Outstanding - beginning of period | shares 307,750
Forfeited | shares (142,250)
Expired | shares (8,000)
Outstanding - end of period | shares 157,500
Exercisable - end of period | shares 129,000
Weighted Average Exercise Price  
Outstanding - beginning of period | $ / shares $ 5.96
Forfeited | $ / shares 4.94
Expired | $ / shares 12.50
Outstanding - end of period | $ / shares 6.54
Exercisable - end of period | $ / shares $ 6.94
Weighted Average Remaining Contractual Term  
Outstanding 4 years 5 months
Options exercisable 3 years 8 months
Aggregate Intrinsic Value  
Forfeited | $ $ 31
Outstanding - beginning of period | $ $ 46