XML 28 R17.htm IDEA: XBRL DOCUMENT v3.7.0.1
SHARE BASED COMPENSATION (Tables)
3 Months Ended
Apr. 01, 2017
SHARE BASED COMPENSATION  
Schedule of weighted average assumptions used for stock options granted

 

 

 

2017

 

2016

 

Expected life (in years)

 

4.9

 

5.1

 

Risk-free interest rate

 

1.9

%

1.3

%

Volatility

 

71.5

%

70.2

%

Dividend yield

 

0

%

0

%

Forfeiture rate

 

22.6

%

20.0

%