General form of registration statement for all companies including face-amount certificate companies

Stockholders' Equity (Detail)

v2.4.0.6
Stockholders' Equity (Detail) (USD $)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 9 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Nov. 30, 2012
Jul. 31, 2012
Oct. 31, 2011
Apr. 30, 2011
Mar. 31, 2010
Dec. 22, 2009
Dec. 31, 2009
Jan. 31, 2009
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2013
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2006
Feb. 10, 2012
Feb. 02, 2012
Dec. 31, 2008
Jul. 31, 2012
IssuedToSubPlacementAgents [Member]
May 31, 2012
Issued to Two Non-Employee Directors [Member]
Sep. 30, 2012
Issued to Third Parties [Member]
Jul. 31, 2012
InvestmentFromNonemployeeDirectors [Member]
Feb. 29, 2012
Series A Convertible Preferred Stock [Member]
Dec. 31, 2006
Series A Convertible Preferred Stock [Member]
Dec. 15, 2011
Series A Convertible Preferred Stock [Member]
Dec. 31, 2006
Series A Preferred Stock [Member]
Dec. 31, 2009
Chief Executive Officer [Member]
Sep. 30, 2012
The 2012 Plan [Member]
Dec. 31, 2011
2010 Plan [Member]
Sep. 30, 2012
Selling, General and Administrative Expenses [Member]
Sep. 30, 2012
Selling, General and Administrative Expenses [Member]
Warrants outstanding weighted-average exercise price (in Dollars per Item) (in Dollars per Item)   1.10 0.75           0.94 0.01 0.94 0.01   0.43     4.00                                
Stock Issued During Period, Shares, New Issues   5,454,523                     9,201,684                                        
Warrants issued shares   2,727,274                 7,607,071                   409,093 1,250,000 366,666                    
GrossProceedsFromIssuanceOfPrivatePlacement (in Dollars)   $ 6,000,000                                                              
Term of Warrants   5 years 5 years   5 years                 5 years               5 years                      
Warrants issued weighted-average exercise price (in Dollars per share) (in Dollars per share)   $ 1.45                 $ 1.05                   $ 1.10 $ 1.00 $ 1.00                    
Proceeds from Issuance of Private Placement (in Dollars)   5,516,000                 5,516,495   11,000,000                     269,980                  
Payments of Stock Issuance Costs (in Dollars)   480,000                     1,100,000     53,496                                  
MaximumLiquidatedDamagesAsPercentageOfInvestorsInvestmentInPIPEFinancing   6.00%                                                              
MaximumLiquidatedDamagesAmountOfInvestorsInvestmentInPIPEFinancing (in Dollars)   360,000                                                              
Preferred Stock Issued During Period, Shares, New Issues                                                   7,965,000              
Convertible Preferred Stock, Number of Preferred Shares Converted into One Common Shares                                 4                 4 1            
Stock Issued During Period, Shares, Conversion of Convertible Securities                                                 7,965,000                
Preferred Stock, Shares Authorized                 8,000,000   8,000,000     8,000,000 8,000,000     25,000,000                              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                                                           3,000,000      
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period                           3,246,450                               2,797,400      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)                 2,061,237   2,061,237     1,783,000                                      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition                     1 year 328 days     1 year 328 days                                      
Warrants Issued During Period, Value (in Dollars)         120,218                 812,500               514,250 293,163                    
Allocated Share-based Compensation Expense (in Dollars)                 299,083 248,540 842,645 757,200                                       214,637 808,636
Preferred Units, Issued                                 7,965,000                                
Proceeds from Issuance of Convertible Preferred Stock (in Dollars)       10,000,000                         7,965,000                     7,335,787          
Debt Issuance Cost (in Dollars)         413,000                 170,000     629,213                                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     50,000   25,444         1,310,000   1,310,000 4,600,842 1,902,750     141,500                                
Estimated Fair Value of Common Stock (in Dollars per share)                                 $ 28,696                                
Convertible Preferred Stock, Shares Issued upon Conversion                                 1                                
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)                                 $ 1.00                                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                           3,000,000                                 3,815,675    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) $ 1.63                   $ 1.02       $ 1.80 [1] $ 9.64 [1]                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)                             $ 0.83 $ 2.83                                  
Due from Related Parties (in Dollars)                           500,000                                      
Debt Instrument, Interest Rate, Stated Percentage     10.00% 10.00% 10.00%   4.50%             8.00%   4.50%     10.00%                            
Shares Common Stock Note Collateral                           125,000                                      
Treasury Stock, Shares, Acquired           66,652 134,178 125,000                                                  
Treasury Stock, Value, Acquired, Cost Method (in Dollars)           642,525   500,000                                                  
Debt Instrument, Increase, Accrued Interest (in Dollars)             36,712                                                    
Interest Income, Other (in Dollars)                               57,779                         21,000        
Treasury Stock, Value (in Dollars)           $ 594,687     $ 1,679,234   $ 1,679,234     $ 1,679,234 $ 1,679,234                                    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options           66,652                                                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share)           $ 9.64 $ 2.78             $ 2.15 $ 3.03 $ 2.78       $ 2.70                          
[1] All options granted during the years ended December 31, 2009 and 2010 were granted with exercise prices of $9.64 and $1.80 per share, respectively, which was deemed to be the fair market value of the Company's stock on the date of grant.