Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Detail)

v3.5.0.2
Commitments and Contingencies (Detail)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 5 Months Ended 6 Months Ended 12 Months Ended 24 Months Ended
Feb. 01, 2016
USD ($)
Nov. 30, 2015
claim
Sep. 30, 2015
USD ($)
Jan. 31, 2015
USD ($)
plaintiff
claim
Jul. 31, 2016
USD ($)
claim
Jun. 30, 2016
USD ($)
claim
Jun. 30, 2016
USD ($)
plaintiff
claim
Jun. 30, 2016
USD ($)
claim
Feb. 29, 2016
plaintiff
claim
Dec. 31, 2014
USD ($)
security_offering
firm
underwriter
Loss Contingencies [Line Items]                    
Number of firms that underwrote security offerings | firm                   9
Number of security offerings | security_offering                   6
Loss contingency accrual, product liability           $ 437 $ 437 $ 437    
Charges to operations           662   1,339    
Term of contract 14 years                  
2016 $ 1,791                  
2017           1,791 1,791 1,791    
2018 $ 1,954                  
Increase per year thereafter, percent 2.00%                  
Aggregate Commitment           $ 51,199 $ 51,199 $ 51,199    
Ladenburg                    
Loss Contingencies [Line Items]                    
Number of security offerings | security_offering                   2
Number of underwriters | underwriter                   1
Ladenburg | Subsequent Event                    
Loss Contingencies [Line Items]                    
New claims filed, number | claim         4          
Damages sought by plaintiff         $ 4,300          
Subsidiaries                    
Loss Contingencies [Line Items]                    
Term of contract 12 years                  
Annual rental payments $ 1,811                  
Compensatory damages                    
Loss Contingencies [Line Items]                    
New claims filed, number | claim   2   2            
Number of plaintiffs | plaintiff       17            
Damages sought by plaintiff                   $ 151,000
Compensatory damages | Ladenburg                    
Loss Contingencies [Line Items]                    
Damages sought by plaintiff                   $ 2,900,000
Compensatory damages | Triad                    
Loss Contingencies [Line Items]                    
New claims filed, number | claim                 8  
Number of plaintiffs | plaintiff             3   45  
Damages sought by plaintiff             $ 466      
New lawsuits filed, number | claim                 1  
Number of claims settled | claim             7      
Number of claims pending decision | claim           2 2 2    
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            
Pending Litigation [Member] | Compensatory damages | Triad                    
Loss Contingencies [Line Items]                    
Damages sought by plaintiff     $ 3,714