XML 68 R57.htm IDEA: XBRL DOCUMENT v3.7.0.1
STOCK OPTIONS (Stock Options) (Details) - Employee Stock Option - Equity Incentive Plan 2006
 6 Months Ended
Jun. 30, 2017
USD ($)
$ / shares
shares
Number of Options  
Outstanding at beginning of period (in shares) 24,600
Granted (in shares) 0
Forfeited (in shares) (2,460)
Outstanding at end of period (in shares) 22,140
Exercisable at end of period (in shares) 19,908
Weighted-Average Exercise Price  
Outstanding at beginning of period (in dollars per share) | $ / shares $ 107.83
Granted (in dollars per share) | $ / shares 0.00
Forfeited (in dollars per share) | $ / shares 75.76
Outstanding at end of period (in dollars per share) | $ / shares 111.39
Exercisable at end of period (in dollars per share) | $ / shares $ 119.13
Stock options, expected to vest, outstanding (in shares) 21,713
Stock options, expected to vest, outstanding, aggregate intrinsic value | $ $ 0
Stock options, expected to vest remaining contractual term 6 years 11 months