XML 61 R46.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 13 - Stock-based Compensation Arrangements (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
 
 
 
 
 
 
Number of shares
 
 
 
 
 
 
 
 
 
 
 
Number of shares
 
 
of the Company's
 
 
 
 
 
 
 
 
 
 
 
of the Company's
 
 
common stock
 
 
 
 
 
 
 
 
 
 
 
common stock
 
 
remaining
 
 
Number of shares of the Company's
 
 
 
authorized for
 
 
available for
 
 
common stock subject to
 
 
 
issuance
 
 
future grants
 
 
Options
 
 
Stock Grants
 
2006 Plan
    4,400,000       1,262,626       505,452       173,160  
Disclosure of Stock-based Compensation by Line Item [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
 
2013
 
Service expense
  $ 21,588     $ 4,019     $ 1,054  
General and administrative expense
    5,027       3,537       1,421  
Discontinued operations, net of tax
    7       6       604  
Total stock-based compensation
  $ 26,622     $ 7,562     $ 3,079  
Stock-based Compensation Included in Service Expense [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
 
2013
 
NET Services
  $ 724     $ 587     $ 1,054  
WD Services (a)
    20,756       3,432       -  
HA Services
    108       -       -  
Total stock-based compensation in service expense
  $ 21,588     $ 4,019     $ 1,054  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
Expected dividend yield
    0.0%         0.0%    
Expected stock price volatility
  33.84% - 46.14%     45.6% - 50.25%  
Risk-free interest rate
  0.35% - 1.35%     1.1% - 1.88%  
Expected life of options   10 days - 4 years     3.25 - 5.47 years  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
 
 
Year ended December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
 
Number
 
 
Weighted-
 
 
average
 
 
 
 
 
 
 
of Shares
 
 
average
 
 
Remaining
 
 
Aggregate
 
 
 
Under
 
 
Exercise
 
 
Contractual
 
 
Intrinsic
 
 
 
Option
 
 
Price
 
 
Term
 
 
Value
 
Balance at beginning
of period
    813,622     $ 30.77                  
Granted
    294,294       44.28                  
Exercised
    (247,333 )     21.00                  
Forfeited/Cancelled
    (213,691 )     43.18                  
Expired
    (113,440 )     44.28                  
Shares modified and settled in cash
    (28,000 )     36.27                  
Outstanding at end
of period
    505,452     $ 34.84       3.8     $ 6,106  
Vested or expected to
vest at end of period
    480,847     $ 34.68       3.8     $ 5,887  
Exercisable at end
of period
    336,994     $ 32.77       3.9     $ 4,768  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
 
2013
 
Weighted-average grant date fair value
  $ 8.77     $ 17.09    
Not Applicable
 
Options exercised:
                       
Total intrinsic value
  $ 6,659     $ 9,107     $ 4,544  
Cash received
  $ 4,895     $ 11,019     $ 10,069  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
 
 
 
 
 
 
Weighted-average
 
 
 
 
 
 
 
grant date
 
 
 
Shares
 
 
fair value
 
                 
Non-vested at beginning of period
    91,347     $ 21.44  
Granted
    33,356     $ 50.51  
Vested
    (72,274 )   $ 21.71  
Forfeited or cancelled
    (8,247 )   $ 44.24  
Non-vested at end of period
    44,182     $ 38.67  
Stock Appreciation Rights Fair Value Assumptions [Table Text Block]
 
 
Year ended December 31,
 
 
 
2015
 
 
2014
 
Expected dividend yield
    0.0%         0.0%    
Expected stock price volatility
  43.75% - 45.30%     46.75% - 50.1%  
Risk-free interest rate
  1.24% - 1.70%     1.3% - 1.76%  
Expected life of options (in years)
  2.75 - 4.75     3.75 - 5.75