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Stockholders Equity - Additional Information (Detail) (USD $)
1 Months Ended 3 Months Ended 9 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2012
May 31, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2012
Sep. 30, 2012
Jan. 31, 2012
Consulting Services
Sep. 30, 2012
Redeemable Preferred Stock
Sep. 30, 2012
Redeemable Preferred Stock
Sep. 30, 2012
Warrant
Sep. 30, 2012
Warrant
Sep. 30, 2012
Warrant
8% Convertible promissory note
Sep. 30, 2012
Warrant
Maximum [Member]
Sep. 30, 2012
Warrant
Minimum [Member]
Sep. 30, 2012
Warrant For Convertible Preferred Stock Holders
Sep. 30, 2012
Warrant For Convertible Preferred Stock Holders
Sep. 30, 2012
Warrant For Convertible Preferred Stock Holders
Warrants issued an exercise price of $1.00
Sep. 30, 2012
Warrant For Convertible Preferred Stock Holders
Warrants issued an exercise price of $1.00
Sep. 30, 2012
Conversion Options
OptionPlan
Sep. 30, 2012
Stock Options
Sep. 30, 2012
Common Stock Shares
Dec. 31, 2011
Common Stock Shares
Sep. 30, 2012
10% Convertible Preferred Stock
Sep. 30, 2012
10% Convertible Preferred Stock
Dec. 31, 2011
10% Convertible Preferred Stock
Stockholders Equity Note [Line Items]                                                  
Common stock, no par value                                                     
Common stock, authorized       100,000,000 100,000,000 100,000,000                                      
Preferred stock, authorized         2,500,000 2,500,000                                      
Common stock, shares issued       25,007,261 26,781,378 26,781,378                             26,781,378 25,257,261      
Common stock, shares outstanding       25,007,261 26,781,378 26,781,378                             26,781,378 25,257,261      
10% Convertible preferred stock, authorized                                             880,000 880,000 880,000
10% Convertible preferred stock, outstanding                                             706,023 706,023 752,273
Common stock issued upon conversion and exercise of warrants and other convertible securities           56,400,000                                      
Shares issued for services             125,000                                    
Value of shares Issued for services             $ 90,000                                    
Common stock shares issued as dividends on the 10% Convertible preferred stock 392,828 20,000 286,251 247,538                                          
Dividends paid on the 10% Convertible preferred stock 176,773 200,000 171,751 176,620                                          
Common stock issued upon conversion Preferred Stock, shares 200,000 20,000 62,500   200,000 462,500                                      
Preferred Stock shares converted 20,000   6,250   250,000                                   20,000 46,250  
Common stock issued upon conversion Preferred Stock, value 200,000   62,500                                         462,500  
Shares issued to an employee   10,000                                              
Shares issued to an employee, fair value   6,400                                              
Expected dividend yield                                                    
Fair value assumption, minimum expected volatility rate           0.00%         50.00%                            
Fair value assumption, maximum expected volatility rate           125.00%         99.90%                            
Fair value assumption, minimum risk-free interest rate           0.00%         0.30%                            
Fair value assumption, maximum risk-free interest rate           0.90%         0.60%                            
Fair value assumption, expected term           5 years             4 years 3 years           0 years          
Granted during the period, shares                     20,599,342       100,005 166,675 100,000 3,761,365              
Granted during the period, weighted average exercise price                     $ 0.67       $ 0.60 $ 0.60 $ 0.45 $ 1.00              
Granted during the period, fair value                             18,900 57,000 27,700 1,875,463              
Amortization of previously granted warrants         0 0                                      
Shares of stock called by warrants         3,800,000 3,800,000   58,352 58,352     16,571,302                          
Warrant exercise price         1.0 1.0   10 10     0.60                          
Fair value of the warrant liability               85,600 85,600                                
Change in fair value of the warrant liability               54,900 402,000 176,100                              
Number of stock option plans                                     2            
Shares available for grant         1,700,000 1,700,000                         0            
Options issued, exercisable period from date of grant                                     10 years            
Fair value assumption, expected volatility rate                                       0.00%          
Fair value assumption, risk-free interest rate                                       0.00%          
Amortization of fair value of options         47,300 426,100                                      
Compensation expense to be recognized in subsequent periods         24,500 24,500                                      
Class of warrant or right fair value                       $ 427,888