Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.2.0.727
Subsequent Events - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 05, 2015
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Subsequent Event [Line Items]            
Business acquisition, number of shares issued       5,059,334    
Revenue   $ 27,245 $ 17,517 $ 47,575 $ 22,459  
Net (loss) income   $ (1,488) $ 2,410 $ (3,534) $ (1,160) $ (5,180)
Subsequent Event | Energy Source, LLC            
Subsequent Event [Line Items]            
Business acquisition aggregate purchase consideration $ 30,000          
Business acquisition cash Consideration 10,000          
Business acquisition, promissory notes issued $ 10,000          
Business acquisition, number of shares issued 8,695,652          
Business acquisition, number of shares issued value $ 10,000          
Revenue 20,000          
Net (loss) income $ 2,000