Annual report pursuant to Section 13 and 15(d)

STOCK OPTION PLANS (Details 1)

v3.19.1
STOCK OPTION PLANS (Details 1) - $ / shares
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
2015 Equity Incentive Plan [Member]      
Options [Roll Forward]      
Outstanding options, beginning balance (in shares) 5,112,967 4,443,000 1,994,000
Granted (in shares) 1,497,300 1,077,000 2,622,500
Exercised (in shares) (360,853) (81,719) (151,000)
Expired/forfeited (in shares) (724,009) (325,314) (22,500)
Outstanding options, ending balance (in shares) 5,525,405 5,112,967 4,443,000
Non-vested options, ending balance (in shares) 2,355,719 2,641,832 3,115,313
Weighted-average exercise price [Roll Forward]      
Outstanding options, beginning of period (in dollars per share) $ 9.07 $ 4.94 $ 6.90
Granted (in dollars per share) 12.95 14.31 3.29
Exercised (in dollars per share) 6.22 4.22 2.32
Expired/forfeited (in dollars per share) 10.65 5.52 3.23
Outstanding options, ending balance (in dollars per share) 8.08 9.07 4.94
Non-vested option, send on period (in dollars per share) $ 10.41 $ 8.21 $ 4.24
2005 Equity Incentive Plan [Member]      
Options [Roll Forward]      
Outstanding options, beginning balance (in shares) 316,760 328,560 330,084
Expired/forfeited (in shares) (360) (11,800) (1,524)
Outstanding options, ending balance (in shares) 316,400 316,760 328,560
Weighted-average exercise price [Roll Forward]      
Outstanding options, beginning of period (in dollars per share) $ 14.31 $ 14.57 $ 13.49
Expired/forfeited (in dollars per share) 150.00 21.53 36.93
Outstanding options, ending balance (in dollars per share) $ 14.15 $ 14.31 $ 14.57