Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details 1)

v3.7.0.1
Stock Based Compensation (Details 1) - Employee Stock Option [Member]
 6 Months Ended
Jun. 30, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares - Nonvested, Beginning Balance (in shares) | shares 28,465
Shares - Granted (in shares) | shares 4,575
Shares - Vested (in shares) | shares 1,625
Shares - Forfeited (in shares) | shares 725
Shares - Nonvested, Ending Balance (in shares) | shares 30,690
Weighted Average Exercise Price - Nonvested, Beginning Balance (in dollars per share) | $ / shares $ 26.67
Weighted Average Exercise Price - Granted (in dollars per share) | $ / shares 39
Weighted Average Exercise Price - Vested (in dollars per share) | $ / shares 25.81
Weighted Average Exercise Price - Forfeited (in dollars per share) | $ / shares 28.62
Weighted Average Exercise Price - Nonvested, Ending Balance (in dollars per share) | $ / shares $ 28.51