Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Additional Information (Detail)

v3.3.0.814
Acquisitions - Additional Information (Detail)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Aug. 05, 2015
USD ($)
shares
Feb. 05, 2015
USD ($)
Dec. 18, 2014
USD ($)
Installment
$ / shares
shares
Apr. 17, 2014
USD ($)
Installment
shares
Sep. 30, 2015
USD ($)
shares
Dec. 31, 2014
USD ($)
shares
Mar. 31, 2015
USD ($)
shares
Sep. 30, 2014
USD ($)
Business Acquisition [Line Items]                
Business acquisition consideration payable         $ 1,801     $ 7,753
Business acquisition, number of shares issued | shares         4,926,004      
Common stock, issued | shares         157,531,000 129,714,000    
Common Stock, Value         $ 157 $ 130    
Goodwill         64,978 42,991    
Amortization of customer backlog excluded from proforma results         200 2,700    
Acquisition, severance, and transitions costs excluded from proforma results         1,500 2,500    
Income tax benefit excluded from proforma results           $ 6,600    
Energy Source                
Business Acquisition [Line Items]                
Business acquisition aggregate purchase consideration $ 31,800              
Business acquisition cash consideration 10,000              
Business acquisition, promissory notes issued 10,000              
Business acquisition consideration payable $ 1,800              
Business acquisition, number of shares issued | shares 8,695,652              
Business acquisition, number of shares issued value $ 10,000              
Identifiable intangible assets 8,355              
Goodwill 21,987              
Liabilities assumed 3,921              
Purchase price $ 31,801              
Value Lighting                
Business Acquisition [Line Items]                
Business acquisition aggregate purchase consideration       $ 39,300        
Business acquisition cash consideration       10,600        
Business acquisition consideration payable       $ 7,800        
Business acquisition, number of shares issued | shares       8,468,192        
Business acquisition, number of Installments | Installment       4        
Business acquisition, value of equity issued       $ 20,900        
Business acquisition, contingent consideration payable in cash or common stock, maximum       11,000        
Common stock, issued | shares             4,900,000  
Common Stock, Value             $ 5,500  
Identifiable intangible assets       19,951        
Goodwill       18,635        
Liabilities assumed       18,438        
Purchase price       $ 39,309        
DPI Management                
Business Acquisition [Line Items]                
Business acquisition aggregate purchase consideration   $ 600            
Business acquisition cash consideration payment   100            
Inventory   $ 600            
Business acquisition consideration paid         150      
DPI Management | Cash payable on March 1, 2016                
Business Acquisition [Line Items]                
Business acquisition consideration payable         150      
DPI Management | Payable on September 1, 2016 in cash or common stock                
Business Acquisition [Line Items]                
Business acquisition consideration payable         $ 200      
All Around                
Business Acquisition [Line Items]                
Business acquisition aggregate purchase consideration     $ 5,000          
Business acquisition cash consideration     900          
Business acquisition consideration payable     $ 300          
All Around | Unregistered Restricted Common Stock                
Business Acquisition [Line Items]                
Business acquisition, number of shares issued | shares     1,600,000          
Business acquisition, number of Installments | Installment     11          
Business acquisition, value of equity issued     $ 1,800          
Restricted common stock, issuance commencement date     2015-06          
Acquisition floor price per share | $ / shares     $ 2.00          
Issuance of unregistered restricted stock, expected consideration     $ 3,200          
Tangible assets     1,700          
Identifiable intangible assets     2,200          
Goodwill     2,800          
Liabilities assumed     1,700          
Purchase price     5,000          
All Around | Unregistered Restricted Common Stock | Preliminary Value                
Business Acquisition [Line Items]                
Business acquisition floor value of equity issued     $ 1,900