XML 69 R56.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock Compensation (Summary Of The Status Of Stock Options Outstanding) (Details)
12 Months Ended
Dec. 31, 2017
$ / shares
shares
$3.72 to $5.24 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, lower limit $ 3.72
Range of Exercise Prices, upper limit $ 5.24
Shares | shares 288,186
Weighted Average Remaining Option Life 6 years 3 months 18 days
Weighted Average Exercise Price $ 4.35
$5.25 to $7.49 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, lower limit 5.25
Range of Exercise Prices, upper limit $ 7.49
Shares | shares 289,200
Weighted Average Remaining Option Life 5 years 3 months 18 days
Weighted Average Exercise Price $ 6.61
$7.50 to $9.74 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, lower limit 7.50
Range of Exercise Prices, upper limit $ 9.74
Shares | shares 18,000
Weighted Average Remaining Option Life 1 year 4 months 24 days
Weighted Average Exercise Price $ 9.73
$9.75 to $11.99 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, lower limit 9.75
Range of Exercise Prices, upper limit $ 11.99
Shares | shares 439,833
Weighted Average Remaining Option Life 3 years 7 months 6 days
Weighted Average Exercise Price $ 11.34
$12.00 to $14.15 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices, lower limit 12.00
Range of Exercise Prices, upper limit $ 14.15
Shares | shares 137,440
Weighted Average Remaining Option Life 2 years 8 months 12 days
Weighted Average Exercise Price $ 13.08