Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details Textual)

v2.4.0.6
Stock-Based Compensation (Details Textual) (USD $)
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended 24 Months Ended 83 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended
Jun. 30, 2012
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2008
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2006
Sep. 30, 2011
Dec. 31, 2011
Dec. 31, 2008
Dec. 31, 2007
Jun. 30, 2008
Jun. 30, 2012
Jun. 30, 2012
Maximum [Member]
Jun. 30, 2012
Minimum [Member]
Mar. 31, 2011
Chem Master Agreement [Member]
Sep. 30, 2009
Chem Master Agreement [Member]
Mar. 31, 2008
Chem Master Agreement [Member]
Mar. 31, 2007
Chem Master Agreement [Member]
Jun. 30, 2012
Chem Master Agreement [Member]
Jan. 29, 2008
Chem Master Agreement [Member]
Sep. 30, 2011
Consulting Agreement [Member]
Sep. 30, 2008
Consulting Agreement [Member]
Sep. 30, 2007
Consulting Agreement [Member]
Dec. 31, 2010
Consulting Agreement [Member]
Dec. 31, 2009
Consulting Agreement [Member]
Dec. 31, 2011
Consulting Agreement [Member]
Oct. 15, 2009
Consulting Agreement [Member]
Sep. 12, 2007
Consulting Agreement [Member]
Sep. 12, 2008
Consulting Agreement With Francis Johnson [Member]
Dec. 31, 2007
Consulting Agreement With Francis Johnson [Member]
Sep. 12, 2007
Consulting Agreement With Francis Johnson [Member]
Oct. 31, 2007
Mirador Agreement [Member]
Dec. 31, 2007
Mirador Agreement [Member]
Jun. 30, 2012
Outside Director Stock Award Plan [Member]
Jun. 30, 2012
Outside Director Stock Award Plan [Member]
Jun. 30, 2011
Outside Director Stock Award Plan [Member]
Jun. 30, 2006
Outside Director Stock Award Plan [Member]
Sep. 30, 2011
Outside Director Stock Award Plan [Member]
Dec. 31, 2006
Outside Director Stock Award Plan [Member]
Jun. 30, 2006
Outside Director Additional Stock Award Plan [Member]
Jun. 30, 2012
Scientific Advisory Committee Members [Member]
Sep. 30, 2011
Scientific Advisory Committee Members [Member]
Jun. 30, 2012
Scientific Advisory Committee Members [Member]
Jun. 30, 2011
Scientific Advisory Committee Members [Member]
Jun. 30, 2006
Scientific Advisory Committee Members [Member]
Sep. 30, 2011
Scientific Advisory Committee Members [Member]
Dec. 31, 2008
Scientific Advisory Committee Members [Member]
Dec. 31, 2006
Scientific Advisory Committee Members [Member]
Mar. 31, 2010
Director Stock Award Plan [Member]
Sep. 30, 2007
Director Stock Award Plan [Member]
Sep. 13, 2009
Director Stock Award Plan [Member]
Sep. 12, 2008
Director Stock Award Plan [Member]
Sep. 12, 2007
Director Stock Award Plan [Member]
Dec. 31, 2010
Board Of Director Stock Award Plan [Member]
Dec. 31, 2009
Board Of Director Stock Award Plan [Member]
Dec. 31, 2008
Board Of Director Stock Award Plan [Member]
Oct. 07, 2008
Board Of Director Stock Award Plan [Member]
Jun. 30, 2012
Board and Medical Director Of Theradex Systems, Inc [Member]
Jun. 30, 2011
Board and Medical Director Of Theradex Systems, Inc [Member]
Jun. 30, 2012
Board and Medical Director Of Theradex Systems, Inc [Member]
Jun. 30, 2011
Board and Medical Director Of Theradex Systems, Inc [Member]
Sep. 30, 2011
Board and Medical Director Of Theradex Systems, Inc [Member]
May 01, 2011
Board and Medical Director Of Theradex Systems, Inc [Member]
Granted - Number of shares (in shares)         0       950,000                 200,000 100,000         1,000,000   1,000,000         300,000           200,000     200,000 190,000       50,000       100,000   200,000           200,000           200,000  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term         2 years                         2 years 5 years         4 years   4 years         4 years           5 years 5 years     5 years       5 years 5 years         5 years           5 years           5 years  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in dollars per share) $ 0.892   $ 0.98   $ 0.892 $ 0.98     $ 0.856       $ 0.892 $ 1.00 $ 0.98       $ 0.333   $ 1.65     $ 1.00     $ 1.00       $ 0.333           $ 0.98 $ 0.333     $ 0.333               $ 0.33         $ 0.333     $ 0.50             $ 0.98
Share Based Compensation Arrangement By Share Based Payment Award Options Vested (in shares)                               100,000 100,000           500,000 500,000 500,000 500,000       100,000               66,666                   50,000       100,000 100,000   25,000 25,000             25,000  
Share Based Compensation Arrangement By Share Based Payment Award Options Fair Value   $ 325,000           $ 325,000                     $ 31,000   $ 96,000             $ 750,000 $ 945,000     $ 300,000         $ 196,000 $ 62,000     $ 58,900       $ 49,000                 $ 204,000       $ 100,000           $ 196,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)               $ 0.65                   $ 0.48 $ 0.31         $ 0.945   $ 0.75         $ 1.00             $ 0.31 $ 0.98   $ 0.31       $ 0.98           $ 1.02           $ 0.50           $ 0.98  
Share Based Compensation Arrangement By Share Based Payment Award Options Fair Value Charged To Operations 50,740   0 75,000 205,726 982 20,666         41,334                       465,000   375,000                 24,399 48,798           1,222   11,482                             24,309 40,528 48,618 40,528    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)         (100,000)       (115,015)                                                           100,000               15,015     200,000                            
Stock Issued Shares Cash Less Exercise (in shares)                                                                             66,020                                                  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Expirations In Period (in shares)         0       (1,124,985)                         500,000                                 290,000               34,985                                  
Share Based Compensation Arrangement By Share Based Payment Award Options Vested Ratably (in shares)   25,000                                                                                 6,250                                          
Proceeds from exercise of stock options         33,333 5,000             38,333           33,333 33,333                                                     5,000                                  
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Stock Price Per Share (in dollars per share) $ 0.83   $ 0.98   $ 0.83 $ 0.98             $ 0.83                                                                                                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Minimum         4 years 3 months 4 days 6 years 4 days                                                                                                                    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate         150.10% 308.80%                                                                                                                    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate         0.00% 0.00%                                                                                                                    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate         0.62% 1.58%                                                                                                                    
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares)                                   100,000                             250,000                                                              
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures                                                                 250                                                              
Maximum Shares For Granting Of Awards (in shares)                     2,500,000                                                                                                          
Consulting Fees                   40,000                                             5,000                                                              
Stock Issued During Period Per Share Restricted Stock (in dollars per share)                                                                   $ 0.001                                                            
Fair Value Of Restricted Common Stock                                                                   262,250                                                            
Fair Value Of Restricted Common Stock Per Share (in dollars per share)                                                                   $ 1.049                                                            
Purchase Price Per Share Of Restricted Common Stock (in dollars per share)                                                                   $ 0.001                                                            
Stock Price Per Share Of Restricted Common Stock (in dollars per share)                                                                   $ 1.05                                                            
Deferred Compensation Share-based Arrangements, Liability, Classified, Noncurrent 268,000       268,000               268,000                                                                                                      
Stock Options and Warrants Exercisable Intrinsic Value $ 264,800       $ 264,800       $ 83,500       $ 264,800                                                                                                      
Stock Options and Warrants Exercisable Fair Market Value (in dollars per share)         $ 0.83       $ 0.50                                                                                                              
Stock Options and Warrants Outstanding (in shares) 306,250       306,250               306,250