Quarterly report pursuant to Section 13 or 15(d)

Common Stock Transactions - Additional Information (Detail)

v3.4.0.3
Common Stock Transactions - Additional Information (Detail)
$ in Thousands
 3 Months Ended 12 Months Ended
May. 06, 2016
Mar. 11, 2016
Aug. 05, 2015
USD ($)
shares
Mar. 31, 2016
USD ($)
shares
Mar. 31, 2015
shares
Dec. 31, 2015
USD ($)
shares
May. 12, 2016
shares
May. 11, 2015
shares
Schedule of Capitalization, Equity [Line Items]                
Common stock, outstanding       16,012,000   15,964,000    
Reverse stock split   0.1            
Common stock, shares authorized       200,000,000   200,000,000   200,000,000
Issuance of common stock for acquisition | $       $ 167   $ 10,179    
Business acquisition, number of shares issued       279,634 803,582      
Energy Source                
Schedule of Capitalization, Equity [Line Items]                
Business acquisition, number of shares issued value | $     $ 10,000          
Subsequent Event                
Schedule of Capitalization, Equity [Line Items]                
Common stock, shares authorized             35,000,000  
Common Stock                
Schedule of Capitalization, Equity [Line Items]                
Common stock, outstanding       16,000,000        
Issuance of common stock for acquisition (in shares)       36,000   1,437,000    
Issuance of common stock for acquisition | $           $ 1    
Common Stock | Energy Source                
Schedule of Capitalization, Equity [Line Items]                
Issuance of common stock for acquisition (in shares)     880,000          
Issuance of common stock for acquisition | $     $ 9,700          
Business acquisition, number of shares issued     869,565          
Business acquisition, number of shares issued value | $     $ 9,500          
RVL One Limited Liability Company                
Schedule of Capitalization, Equity [Line Items]                
Common stock, outstanding       8,400,000        
Common stock share outstanding owned       53.00%        
RVL One Limited Liability Company | Subsequent Event                
Schedule of Capitalization, Equity [Line Items]                
Common stock share outstanding owned 43.00%