Quarterly report pursuant to Section 13 or 15(d)

Capital Stock Transactions (Detail)

v3.3.1.900
Capital Stock Transactions (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 03, 2013
Dec. 28, 2011
Dec. 28, 2011
Nov. 30, 2015
Oct. 31, 2015
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Class Of Stock [Line Items]                          
Series A convertible preferred stock authorized (in shares)           2,000,000       2,000,000   2,000,000  
Series A convertible preferred stock issued (in shares)           100,000       100,000   100,000  
Series A convertible preferred stock, par value (in usd per share)           $ 0.0001       $ 0.0001   $ 0.0001  
Common stock issued upon exercise of options (in shares)       2,248 1,227                
Common stock cancelled (shares)                       8,131  
Total unrecognized stock base compensation expense           $ 11,492     $ 8,103 $ 11,492 $ 8,103    
Unvested stock options, weighted average period                   2 years 9 months 7 days 2 years 4 months 21 days    
Performance and Market Condition RSAs                          
Class Of Stock [Line Items]                          
Issued (in shares)   3,170,000                      
Vested (in shares)                       594,372  
Unvested (shares)                       454,164  
Time Condition RSAs                          
Class Of Stock [Line Items]                          
Issued (in shares)       210,728               267,195 254,020
Granted       $ 1.51                  
Unvested (shares)           192,826       192,826      
Compensation expense           $ 123     $ 222 $ 723 $ 670    
Non Vested Restricted Stock                          
Class Of Stock [Line Items]                          
Issued (in shares)           210,728 15,763 0          
Granted           $ 1.51 $ 2.95 $ 0.00          
Vested (in shares)           63,117 64,528 94,199          
Unvested (shares)           192,826 45,215 93,980   192,826   642,343  
Total unrecognized stock base compensation expense           $ 191       $ 191      
Unvested stock options, weighted average period                   7 months 13 days      
Share-based Compensation Award, Tranche One | Performance and Market Condition RSAs                          
Class Of Stock [Line Items]                          
Vesting     33.33%                    
Share-based Compensation Award, Tranche Two | Performance and Market Condition RSAs                          
Class Of Stock [Line Items]                          
Vesting 33.33%                        
Minimum | Restricted Stock                          
Class Of Stock [Line Items]                          
Vesting period                   3 months      
Maximum | Restricted Stock                          
Class Of Stock [Line Items]                          
Vesting period                   2 years      
Convertible Preferred Stock                          
Class Of Stock [Line Items]                          
Series A convertible preferred stock authorized (in shares)           2,000,000       2,000,000      
Series A convertible preferred stock issued (in shares)           100,000       100,000      
Aggregate shares upon conversion (shares)                   20,000      
Series A convertible preferred stock, par value (in usd per share)           $ 0.0001       $ 0.0001      
Liquidation preference ($ per share)           $ 10       $ 10