Quarterly report pursuant to Section 13 or 15(d)

Common Stock Transactions - Additional Information (Detail)

v3.3.0.814
Common Stock Transactions - Additional Information (Detail)
$ / shares in Units, $ in Millions
9 Months Ended 12 Months Ended
Aug. 05, 2015
USD ($)
shares
May. 11, 2015
shares
Dec. 01, 2014
USD ($)
$ / shares
shares
Sep. 09, 2005
$ / shares
shares
Sep. 30, 2015
shares
Dec. 31, 2014
shares
Schedule of Capitalization, Equity [Line Items]            
Common stock, outstanding         157,531,000 129,714,000
Business acquisition, number of shares issued         4,926,004  
Common stock, shares issued     8,000,000      
Offering price of common stock | $ / shares     $ 1.25      
Issuance of common stock, net of issuance fees | $     $ 8.6      
Convertible stock, Conversion of preferred stock     36,300,171      
Preferred stock, shares outstanding         0 0
Common stock, shares authorized   200,000,000     200,000,000 200,000,000
Common Stock            
Schedule of Capitalization, Equity [Line Items]            
Common stock, outstanding         157,500,000  
Common stock, shares issued         8,696,000 8,000,000
Energy Source            
Schedule of Capitalization, Equity [Line Items]            
Business acquisition, number of shares issued 8,695,652          
Business acquisition, number of shares issued value | $ $ 10.0          
Energy Source | Common Stock            
Schedule of Capitalization, Equity [Line Items]            
Issuance of common stock for acquisition (in shares) 8,800,000       8,820,000  
RVL One Limited Liability Company            
Schedule of Capitalization, Equity [Line Items]            
Common stock, outstanding         83,000,000  
Common stock share outstanding owned         53.00%  
Maximum            
Schedule of Capitalization, Equity [Line Items]            
Reverse stock split   0.25        
Minimum            
Schedule of Capitalization, Equity [Line Items]            
Reverse stock split   0.1429        
Scenario, Previously Reported            
Schedule of Capitalization, Equity [Line Items]            
Common stock, shares authorized   150,000,000        
Kingstone Warrants            
Schedule of Capitalization, Equity [Line Items]            
Warrants expiration period       10 years    
Warrants issued       289,187    
Warrants exercise price | $ / shares       $ 4.30