Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.4.0.3
Subsequent Events - Additional Information (Detail)
$ / shares in Units, $ in Millions
 3 Months Ended
May. 06, 2016
USD ($)
Location
$ / shares
shares
Mar. 31, 2016
RVL One Limited Liability Company    
Subsequent Event [Line Items]    
Percentage of ownership on common stock   53.00%
Subsequent Event    
Subsequent Event [Line Items]    
Number of municipalities covered | Location 120  
Common stock, shares issued | shares 3,191,250  
Offering price of common stock | $ / shares $ 5.25  
Issuance of common stock, net of issuance fees $ 15.4  
Subsequent Event | RVL One Limited Liability Company    
Subsequent Event [Line Items]    
Percentage of ownership on common stock 43.00%  
TNT Energy LLC | Subsequent Event    
Subsequent Event [Line Items]    
Business acquisition aggregate purchase consideration $ 13.9  
Business acquisition cash consideration 8.0  
Business acquisition, promissory notes issued 2.0  
Business acquisition, contingent consideration $ 3.9