Annual report pursuant to Section 13 and 15(d)

EMPLOYEE STOCK OPTIONS AND RESTRICTED STOCK AWARD PLAN (Details 1)

v3.8.0.1
EMPLOYEE STOCK OPTIONS AND RESTRICTED STOCK AWARD PLAN (Details 1) - $ / shares
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options Issued 1,140,750    
Options Outstanding at end of year 3,193,000    
Options Exercisable at end of year 2,093,900    
Weighted Average Exercise Price, Exercised $ 2.63 $ 4.41 $ 3.46
Equity Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options Outstanding at beginning of the year 3,362,350 2,881,750 2,684,500
Options Issued 7,500 838,500 294,750
Forfeited or rescinded (11,450) (331,400) (32,500)
Options Exercised (165,400) (26,500) (65,000)
Options Outstanding at end of year 3,193,000 3,362,350 2,881,750
Options Exercisable at end of year 2,091,900 1,722,850 1,214,000
Weighted Average Exercise Price, Outstanding at beginning of the year $ 5.9 $ 5.07 $ 4.67
Weighted Average Exercise Price, Issued 11.7 9.79 8.28
Weighted Average Exercise Price, Forfeited or rescinded 10.12 8.62 4.47
Weighted Average Exercise Price, Exercised 2.63 4.41 3.46
Weighted Average Exercise Price, Outstanding at end of year 6.07 5.9 5.07
Weighted Average Exercise Price, Exercisable at end of year 4.85 4.01 3.85
Weighted average fair value of options granted during the year $ 9.14 $ 9.72 $ 6.55