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Stock-Based Compensation (Details 2)
6 Months Ended
Jun. 30, 2018
$ / shares
shares
Restricted Stock Awards Activity [Abstract]  
Awards outstanding at beginning of year | shares 32,000
Granted | shares 76,943
Vested | shares (34,732)
Forfeited | shares (15,334)
Awards outstanding at end of year | shares 58,877
Weighted Average grant date fair value  
Outstanding at beginning of year | $ / shares $ 2.95
Granted | $ / shares 3.48
Vested | $ / shares 3.67
Forfeited | $ / shares 2.95
Outstanding at end of year | $ / shares $ 3.22