Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.3.0.814
Commitments and Contingencies - Additional Information (Detail)
$ in Thousands
 1 Months Ended 2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended 16 Months Ended
Oct. 17, 2014
USD ($)
employee
claim
Sep. 30, 2015
USD ($)
Oct. 31, 2011
subsidiary
Jan. 31, 2015
USD ($)
employee
claim
Sep. 30, 2015
USD ($)
Oct. 31, 2015
USD ($)
employee
claim
Sep. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Jul. 31, 2015
employee
claim
Sep. 30, 2014
claim
Loss Contingencies [Line Items]                      
Number of subsidiaries included in law suit | subsidiary     2                
Accrued liabilities | $   $ 275     $ 275   $ 275        
Charges to operations | $         $ 206   $ 377        
Convertible Notes Payable                      
Loss Contingencies [Line Items]                      
Proceeds from issuance Public Offering | $       $ 300,000              
Common Stock                      
Loss Contingencies [Line Items]                      
Proceeds from issuance Public Offering | $       $ 1,656,000              
Compensatory damages                      
Loss Contingencies [Line Items]                      
New claims filed, number       2              
Number of plaintiffs | employee       17              
Litigation settlement, amount | $               $ (1,325) $ (1,325)    
Compensatory damages | Triad                      
Loss Contingencies [Line Items]                      
New claims filed, number                     7
Compensatory damages | Triad | Pending Litigation                      
Loss Contingencies [Line Items]                      
Damages sought by plaintiff | $   $ 3,714                  
Compensatory damages | Securities America                      
Loss Contingencies [Line Items]                      
New claims filed, number 1                 11  
Number of plaintiffs | employee 29                 64  
Compensatory damages | Securities America | Pending Litigation                      
Loss Contingencies [Line Items]                      
Potential claims, number 4                    
Compensatory damages | Securities America | Pending Litigation | Nine Arbitration Claims                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | employee 34                    
Pending claims, number 9                    
Damages sought by plaintiff | $ $ 10,000                    
Compensatory damages | Securities America | Pending Litigation | Four Potential Claims                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | employee 31                    
Damages sought by plaintiff | $ $ 467                    
Compensatory damages | Ladenburg                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | employee       1              
Subsequent Event | Compensatory damages | Triad                      
Loss Contingencies [Line Items]                      
New claims filed, number           7          
Number of plaintiffs | employee           43          
Damages sought by plaintiff | $           $ 1,059          
New lawsuits filed, number           1          
Subsequent Event | Compensatory damages | Triad | Settled Litigation                      
Loss Contingencies [Line Items]                      
New claims filed, number           6          
Subsequent Event | Compensatory damages | Triad | Unspecified Litigation                      
Loss Contingencies [Line Items]                      
New claims filed, number           2