Quarterly report pursuant to Section 13 or 15(d)

Convertible Instruments - Additional Information (Detail)

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Convertible Instruments - Additional Information (Detail)
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
Jun. 26, 2018
USD ($)
$ / shares
Sep. 30, 2019
USD ($)
$ / shares
shares
Jan. 30, 2019
USD ($)
Nov. 15, 2018
USD ($)
$ / shares
Nov. 30, 2019
USD ($)
$ / shares
shares
Nov. 30, 2018
USD ($)
Nov. 30, 2019
USD ($)
$ / shares
shares
Nov. 30, 2018
USD ($)
Feb. 28, 2019
USD ($)
May 31, 2019
USD ($)
$ / shares
shares
May 31, 2010
USD ($)
$ / shares
shares
Oct. 11, 2019
shares
Aug. 31, 2019
shares
Aug. 29, 2019
shares
Mar. 20, 2019
$ / shares
shares
Apr. 30, 2010
shares
Class of Stock [Line Items]                                  
Preferred Stock, Share issuance price | $ / shares                     $ 1,000            
Common stock, shares authorized | shares           700,000,000   700,000,000     700,000,000           100,000,000
Convertible preferred stock, par value | $ / shares           $ 0.001   $ 0.001     $ 0.001            
Common stock warrants to purchase shares | shares     200,000                            
Exercise price of warrants, per share | $ / shares     $ 0.45                            
Number of shares to be sold | shares               4,746,935                  
Interest expense           $ 552,790 $ 143,617 $ 956,810 $ 248,247                
Proceeds from convertible promissory note       $ 5,000,000                          
Convertible note, redeemed amount               214,959 0                
Interest paid           525,000   255,489 0                
Class of warrants, exercise price | $ / shares     $ 0.45                            
Term of warrants     5 years                            
Warrants to purchase common shares, shares | shares     200,000                            
Notes Payable Repayment               850,000                
Debt outstanding amount           $ 4,953,876   $ 4,953,876     $ 3,586,035            
Preferred stock, shares authorized | shares           5,000,000   5,000,000     5,000,000            
Conversion of Preferred Stock to Common Stock                                  
Class of Stock [Line Items]                                  
Undeclared dividend               $ 233,000     $ 216,000            
Accrued dividend           $ 456,000   456,000     $ 432,000            
Short-Term Convertible Notes                                  
Class of Stock [Line Items]                                  
Conversion price | $ / shares                     $ 0.50            
Convertible note, aggregate principal                     $ 5,500,000            
Convertible notes, interest rate                     10.00%            
Short-Term Convertible Notes | Investor Warrants                                  
Class of Stock [Line Items]                                  
Exercise price of warrants, per share | $ / shares                     $ 0.30            
Class of warrants, exercise price | $ / shares                     $ 0.30            
Note                                  
Class of Stock [Line Items]                                  
Convertible notes, interest rate   10.00%                              
Interest expense               300,000 248,000 $ 1,500,000              
Convertible promissory note principle amount   $ 5,700,000                              
Proceeds from convertible promissory note   $ 5,000,000                              
Common stock conversion price | $ / shares   $ 0.55     $ 0.55                        
Convertible promissory note maximum redemption amount   $ 350,000     $ 350,000                        
Convertible promissory note redemption description   The Investor may redeem any portion of the June 2018 Note, at any time after six months from the issue date upon five trading days’ notice, subject to a maximum monthly redemption amount of $350,000     Effective November 15, 2018, the June 2018 Note was amended to allow the Investor to redeem the monthly redemption amount of $350,000 in cash or stock, at the lesser of (i) $0.55, or (ii) the lowest closing bid price of the Company’s common stock during the 20 days prior to the conversion, multiplied by a conversion factor of 85%                        
Terms of conversion   1.5                              
Convertible note, redeemed amount               2,055,000                  
Outstanding balance of convertible note including accrued unpaid interest           2,800,000   2,800,000                  
Fair value of Note           6,900,000   6,900,000                  
Net carrying value of note                     $ 5,400,000            
2019 Short Term Convertible Notes                                  
Class of Stock [Line Items]                                  
Convertible note, aggregate principal     $ 200,000                            
Interest expense               $ 269,000 0                
Common stock conversion price | $ / shares $ 0.50                                
Outstanding balance of convertible note including accrued unpaid interest $ 549,912                                
Notes Payable Repayment           700,000                      
Debt outstanding amount     5,900,000                            
Noncash inducement interest expense           $ 300,000                      
2019 Short Term Convertible Notes | Tranche One [Member]                                  
Class of Stock [Line Items]                                  
Debt outstanding amount     $ 1,100,000                            
January 2019 Note [Member]                                  
Class of Stock [Line Items]                                  
Convertible notes, interest rate           10.00%   10.00%                  
Common stock warrants to purchase shares | shares                     5,000,000            
Exercise price of warrants, per share | $ / shares                     $ 0.30            
Unamortized discount           $ 600,000   $ 600,000                  
Unamortized issuance costs           100,000   100,000                  
Interest expense               387,000 $ 0                
Convertible promissory note principle amount           $ 5,700,000   5,700,000                  
Proceeds from convertible promissory note               $ 5,000,000     $ 5,000,000            
Common stock conversion price | $ / shares               $ 0.50     $ 0.50            
Convertible promissory note redemption description                     The Investor may redeem any portion of the January 2019 Note, at any time after six months from the issue date upon five trading days’ notice, subject to a maximum monthly redemption amount of $350,000. The monthly redemption amount may be paid in cash or stock, at the Company’s election, at the lesser of (i) $0.50, or (ii) the lowest closing bid price of the Company’s common stock during the 20 days prior to the conversion, multiplied by a conversion factor of 85%            
Company Reserves Shares For Future Conversition | shares                     20,000,000            
Class of warrants, exercise price | $ / shares                     $ 0.30            
Warrants to purchase common shares, shares | shares                     5,000,000            
Convertible Promissory Notes [Member]                                  
Class of Stock [Line Items]                                  
Common stock warrants to purchase shares | shares     4,750,000                            
Term of warrants     5 years                            
Warrants to purchase common shares, shares | shares     4,750,000                            
Common Stock                                  
Class of Stock [Line Items]                                  
Conversion price | $ / shares           $ 0.50   $ 0.50                  
Series B Convertible Preferred Stock                                  
Class of Stock [Line Items]                                  
Series C Convertible preferred stock, shares issued | shares | shares           92,100   92,100     92,100 400,000          
Preferred Stock, Share issuance price | $ / shares           $ 5.00   $ 5.00                  
Cash proceeds                       $ 2,009,000          
Series B Convertible preferred stock, shares outstanding | shares | shares           92,100   92,100     92,100            
Constructive dividend to Preferred stock holders               $ 6,000,000                  
Liquidation preference on common shares | $ / shares           $ 5.00   $ 5.00                  
Dividends are payable to preferred stock holders | $ / shares               0.25                  
Convertible preferred stock, par value | $ / shares           $ 0.001   $ 0.001     $ 0.001 $ 0.001          
Preferred stock, shares authorized | shares           400,000   400,000     400,000            
Series C Convertible Preferred Stock                                  
Class of Stock [Line Items]                                  
Series C Convertible preferred stock, shares issued | shares | shares           7,788   7,788     3,246   2,788   1,754 3,246  
Preferred Stock, Share issuance price | $ / shares           $ 1,000   $ 1,000                  
Cash proceeds               $ 1,542,545     $ 3,083,700            
Series B Convertible preferred stock, shares outstanding | shares | shares           7,788   7,788     3,246            
Common stock, shares authorized | shares                               5,000  
Convertible preferred stock, par value | $ / shares           $ 0.001   $ 0.001     $ 0.001         $ 0.001  
Placement agent fee               $ 211,455     $ 162,300            
Preferred Stock, Dividend Rate, Percentage               10.00%                  
Convertible Preferred Stock Conversion Price | $ / shares           $ 0.50   $ 0.50                  
Accrued dividends           $ 298,364   $ 298,364     $ 37,351            
Accrued dividend Shares | shares           598,000   598,000                  
Preferred stock, shares authorized | shares           20,000   20,000     20,000   20,000 5,000      
Series C Convertible Preferred Stock | 2019 Short Term Convertible Notes | Tranche Two [Member]                                  
Class of Stock [Line Items]                                  
Debt outstanding amount     $ 4,100,000