Annual report pursuant to Section 13 and 15(d)

Executive Officer Agreements - Additional Information (Detail)

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Executive Officer Agreements - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 12 Months Ended
Dec. 30, 2012
Dec. 31, 2013
Dec. 19, 2013
Harlan F. Weisman [Member]
Dec. 19, 2013
Lindsay A. Rosenwald [Member]
Nov. 05, 2013
Kevin Hogan [Member]
Dec. 28, 2012
Glenn L. Cooper [Member]
Dec. 28, 2013
Bobby W. Sandage [Member]
Dec. 31, 2013
Bobby W. Sandage [Member]
Dec. 19, 2013
Michael Weiss [Member]
Dec. 31, 2013
Old Chairman and Chief Executive Officer [Member]
Dec. 30, 2012
Chairman and Chief Executive Officer [Member]
Nov. 05, 2013
Executive Vice President [Member]
Dec. 31, 2013
Executive Vice President [Member]
Schedule Of Executive Officer Agreements [Line Items]                          
Optilons To Purchase Common Stock Gant In Period   2,466,590                 1,686,590    
Option To Purchase Common Stock Grant In Period Excercise Price   $ 5.34                 $ 5.57    
Description Of Vesting Of Stock Option Granted One-third of the shares underlying the option were to vest on December 28, 2013 and each annual anniversary thereafter, subject to Dr. Weisman’s continued employment with the Company.                        
Period Of Consulting Fees Payable Under Consulting Agreement           12 months 12 months            
Period Of COBRA Premium Payable Under Consulting Agreement           12 months 12 months            
Severance Cost Payable to Executive Under Separation And Lease Agrement               $ 445,000   $ 900,000     $ 479,000
Incremental Cost and Charge to Operations           470,000              
Change In Grant In Date Fair Value Of Stock Option Granted To Individuals Due To Modification In Terms Of Plan           25,000              
Liability And Related Charge To Operations Related To Cash Severance Consulting Agreement Cash Compensation And Premium           63,000              
Monthly Consulting Fees Payable To Executive     3,450     25,000              
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost     318,000     354,000           390,000  
Officers Compensation       28,275 340,000                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period       1,979,346                  
Payment Of Severance Cost           30,000   286,000       143,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         200,000 25,000     1,979,346        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price         $ 1.71 $ 4.75              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total               $ 135,000