Quarterly report pursuant to Section 13 or 15(d)

Stock based compensation, options and warrants (Schedule of Restricted Stock Activity) (Details)

v3.10.0.1
Stock based compensation, options and warrants (Schedule of Restricted Stock Activity) (Details) - Restricted Stock [Member]
9 Months Ended
Sep. 30, 2018
$ / shares
shares
Number of shares  
Beginning balance | shares 342,070
Granted | shares 431,000
Vested | shares (201,421)
Forfeited | shares (290,147)
Delivered | shares (124,583)
Ending balance | shares 156,919
Weighted Average Grant Date Fair value  
Beginning balance | $ / shares $ 5.97
Granted | $ / shares 10.46
Vested | $ / shares 7.48
Forfeited | $ / shares 6.53
Delivered | $ / shares 5.42
Ending balance | $ / shares $ 13.37