XML 55 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 4 - Stockholders' Equity (Details) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 28 Months Ended
Nov. 08, 2012
Mar. 31, 2014
Mar. 31, 2013
Nov. 16, 2011
Apr. 15, 2014
Subsequent Event [Member]
Mar. 31, 2014
Employee Stock Purchase Plan [Member]
Mar. 31, 2013
Employee Stock Purchase Plan [Member]
Mar. 31, 2014
2011 Stock Incentive Plan [Member]
Mar. 31, 2014
IDS Plan [Member]
Mar. 31, 2014
Employee Stock Option [Member]
Mar. 31, 2014
Restricted Stock [Member]
Mar. 31, 2014
Employee Stock Purchase Plan [Member]
Mar. 31, 2014
2001 Stock Incentive Plan [Member]
Nov. 16, 2011
Shares Previously Issued Under the 2001 Plan [Member]
Note 4 - Stockholders' Equity (Details) [Line Items]                            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   4 years           4 years 4 years          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized       4,800,000 6,550,000                 3,500,000
Share Based Compensation Arrangement By Share Based Payment Award Shares Reserved Decrease Rate   1.33                        
Share Based Compensation Arrangement By Share Based Payment Award Expiration Term               10 years 10 years          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized         1,750,000                  
Common Stock, Capital Shares Reserved for Future Issuance               5,200,000            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   2,800,000                        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period   11,000                     400,000  
Share Price (in Dollars per share)   $ 18.17                        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars)                   $ 1,700,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)                   3,500,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                   1 year 328 days 2 years 219 days 1 year 73 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value (in Dollars)   500,000                        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options (in Dollars)                   8,600,000   700,000    
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate           10.00%                
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent           85.00%                
ESPP Maximum Annual Share Replenishment           675,000                
ESPP Maximum Annual Share Replenishment Percentage Of Prior Year Outstanding Company Common Stock           2.00%                
Stock Issued During Period, Shares, Employee Stock Purchase Plans   52,000 104,000                      
Employee Stock Purchase Plan Weighted Average Purchase Price Of Shares Purchased (in Dollars per share)   $ 12.10 $ 5.24                      
Share-based Compensation (in Dollars)   1,660,000 1,309,000     200,000 200,000              
Number Of ESPP Shares Available For Future Issuance                   1,200,000        
Stock Repurchase Program, Authorized Amount (in Dollars) 20,000,000                          
Stock Repurchased During Period, Shares   206,200                        
Stock Repurchsed During Period Average Per Share Price (in Dollars per share)   $ 17.50                        
Stock Repurchased During Period, Value (in Dollars)   3,600,000                        
Stock Repurchase Program, Remaining Authorized Repurchase Amount (in Dollars)   $ 16,400,000