Annual report pursuant to Section 13 and 15(d)

Debt - Additional Information (Detail)

v3.5.0.1
Debt - Additional Information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 13, 2016
USD ($)
May 06, 2016
USD ($)
Mar. 06, 2015
USD ($)
DEB
$ / shares
shares
Mar. 31, 2015
USD ($)
shares
Nov. 30, 2015
USD ($)
Mar. 31, 2016
USD ($)
shares
Mar. 31, 2015
USD ($)
shares
Mar. 31, 2014
USD ($)
Apr. 30, 2016
Jun. 11, 2015
USD ($)
Jun. 10, 2015
USD ($)
Debt Instrument [Line Items]                      
Term loan       $ 600,000     $ 600,000        
Interest rate           6.25%          
Issued (in shares) | shares       57,917,565   67,019,703 57,917,565        
Amortization of discount           $ 470,000 $ 34,000 $ 187,000      
Revolving Line of Credit | DT Media (Appia)                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity           $ 5,000,000         $ 3,500,000
Percentage of borrowing based on accounts receivable           80.00%          
Outstanding revolving credit facility       $ 3,000,000   $ 3,000,000 3,000,000        
Quick ratio required         0.90 1.00          
Required revenue         85.00% 75.00%          
Required cash         $ 15,000,000            
Revolving Line of Credit | DT Media (Appia) | Subsequent Event                      
Debt Instrument [Line Items]                      
Quick ratio                 0.89    
Revolving Line of Credit | DT Media (Appia) | Third Amended and Restated Loan and Security Agreement                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity                   $ 5,000,000  
Subordinated Debenture                      
Debt Instrument [Line Items]                      
Interest rate     10.00%     14.00%          
Issued (in shares) | shares     200,000                
Warrants to purchase an additional shares of common stock (in shares) | shares     400,000                
Warrant exercise price ($ per share) | $ / shares     $ 0.001                
Warrant exercisable period       1 year              
Amortization of discount           $ 470,000 34,000        
Discount       $ 910,000   $ 440,000 $ 910,000        
Percentage of all shares outstanding           0.60%          
Subordinated Debenture | Subsequent Event                      
Debt Instrument [Line Items]                      
Restructuring fee $ 60,000 $ 140,000                  
Subordinated Debenture | DT Media (Appia)                      
Debt Instrument [Line Items]                      
Sale of secured new debentures     $ 8,000,000                
Number of debt securities sold | DEB     2                
Prime Rate | Loans Payable                      
Debt Instrument [Line Items]                      
Interest rate on revolving credit facility           2.75%          
Minimum | Prime Rate | Loans Payable                      
Debt Instrument [Line Items]                      
Interest rate on revolving credit facility           1.75%