Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Narrative) (Detail)

v3.3.1.900
Commitments and Contingencies (Narrative) (Detail)
$ in Thousands
 1 Months Ended 2 Months Ended 12 Months Ended 16 Months Ended 24 Months Ended
Oct. 17, 2014
employee
Jan. 31, 2016
employee
Nov. 30, 2015
claim
Sep. 30, 2015
USD ($)
Oct. 31, 2011
subsidiary
Jan. 31, 2015
USD ($)
employee
claim
Feb. 29, 2016
USD ($)
employee
claim
Dec. 31, 2015
USD ($)
Jul. 31, 2015
employee
claim
Sep. 30, 2014
employee
Dec. 31, 2014
USD ($)
security_offering
firm
underwriter
Loss Contingencies [Line Items]                      
Deferred rent               $ 1,551     $ 1,514
Number of subsidiaries included in law suit | subsidiary         2            
Number of firms that underwrote security offerings | firm                     9
Number of security offerings | security_offering                     6
Accrued liabilities               1,358     $ 359
Convertible Notes Payable                      
Loss Contingencies [Line Items]                      
Offering           $ 300,000          
Common Stock                      
Loss Contingencies [Line Items]                      
Offering           $ 1,656,000          
Ladenburg                      
Loss Contingencies [Line Items]                      
Number of security offerings | security_offering                     2
Number of underwriters | underwriter                     1
Compensatory damages                      
Loss Contingencies [Line Items]                      
Loss contingency accrual                     $ 1,325
New claims filed | claim     2     2          
Litigation settlement, amount               $ (1,325)      
Damages sought by plaintiff                     151,000
Number of plaintiffs | employee           17          
Compensatory damages | Securities America                      
Loss Contingencies [Line Items]                      
New claims filed | claim                 11    
Number of plaintiffs | employee 29               64    
Compensatory damages | Securities America | Subsequent event                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | employee   31                  
Compensatory damages | Securities America | Pending Litigation                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | employee 1                    
Compensatory damages | Triad                      
Loss Contingencies [Line Items]                      
New claims filed | employee                   7  
Compensatory damages | Triad | Subsequent event                      
Loss Contingencies [Line Items]                      
New claims filed | claim             8        
Lawsuits filed, number | claim             1        
Damages sought by plaintiff             $ 1,484        
Number of plaintiffs | employee             43        
Compensatory damages | Triad | Settled Litigation | Subsequent event                      
Loss Contingencies [Line Items]                      
New claims filed | claim             7        
Number of plaintiffs | employee             34        
Compensatory damages | Triad | Unspecified Litigation | Subsequent event                      
Loss Contingencies [Line Items]                      
New claims filed | claim             2        
Compensatory damages | Triad | Pending Litigation                      
Loss Contingencies [Line Items]                      
Damages sought by plaintiff       $ 3,714              
Compensatory damages | Ladenburg                      
Loss Contingencies [Line Items]                      
Damages sought by plaintiff                     $ 2,900,000
Number of plaintiffs | employee           1