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Post-effective amendment to a registration statement that is not immediately effective upon filing

Stockholders' Equity (Deficiency) (Stock Warrants Narrative) (Details)

v2.4.0.8
Stockholders' Equity (Deficiency) (Stock Warrants Narrative) (Details) (USD $)
1 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Jul. 31, 2013
Apr. 30, 2013
Feb. 28, 2013
Dec. 30, 2012
Sep. 30, 2012
Apr. 30, 2012
Jul. 31, 2014
Jul. 31, 2013
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2014
Dec. 31, 2012
Aug. 31, 2012
Jul. 31, 2014
Warrant [Member]
Apr. 30, 2014
Warrant [Member]
Sep. 30, 2013
Laidlaw and Co [Member]
Apr. 30, 2013
Laidlaw and Co [Member]
Sep. 30, 2012
Laidlaw and Co [Member]
Aug. 31, 2012
Laidlaw and Co [Member]
Mar. 31, 2014
Board of Directors [Member]
Apr. 30, 2014
Board of Directors [Member]
Jul. 31, 2014
Institutional Investor [Member]
Apr. 30, 2014
Institutional Investor [Member]
Sep. 30, 2013
Institutional Investor [Member]
Mar. 31, 2014
Institutional Investor [Member]
Apr. 30, 2014
Director [Member]
Mar. 31, 2014
Director [Member]
Oct. 31, 2012
Firm Two [Member]
Jul. 31, 2013
Firm Two [Member]
Feb. 28, 2013
Common Stock [Member]
Dec. 30, 2012
Common Stock [Member]
Sep. 30, 2012
Common Stock [Member]
Jul. 31, 2014
Common Stock [Member]
Apr. 30, 2013
Common Stock [Member]
Apr. 30, 2014
Common Stock [Member]
Dec. 31, 2012
Common Stock [Member]
Apr. 30, 2013
Common Stock [Member]
Laidlaw and Co [Member]
Sep. 30, 2012
Common Stock [Member]
Laidlaw and Co [Member]
Mar. 31, 2014
Common Stock [Member]
Board of Directors [Member]
Jul. 31, 2014
Common Stock [Member]
Institutional Investor [Member]
Apr. 30, 2014
Common Stock [Member]
Institutional Investor [Member]
Apr. 30, 2014
Common Stock [Member]
Director [Member]
Sep. 30, 2012
Common Stock [Member]
Director [Member]
Oct. 31, 2012
Common Stock [Member]
Firm Two [Member]
Feb. 28, 2013
Warrant [Member]
Dec. 30, 2012
Warrant [Member]
Dec. 31, 2012
Warrant [Member]
Oct. 31, 2012
Warrant [Member]
Apr. 30, 2014
Warrant [Member]
Sep. 30, 2013
Warrant [Member]
Laidlaw and Co [Member]
Apr. 30, 2013
Warrant [Member]
Laidlaw and Co [Member]
Mar. 31, 2013
Warrant [Member]
Laidlaw and Co [Member]
Sep. 30, 2012
Warrant [Member]
Laidlaw and Co [Member]
Jun. 30, 2012
Warrant [Member]
Laidlaw and Co [Member]
Feb. 29, 2012
Warrant [Member]
Laidlaw and Co [Member]
Mar. 31, 2014
Warrant [Member]
Board of Directors [Member]
Jul. 31, 2014
Warrant [Member]
Institutional Investor [Member]
Apr. 30, 2014
Warrant [Member]
Institutional Investor [Member]
Sep. 30, 2013
Warrant [Member]
Institutional Investor [Member]
Apr. 30, 2014
Warrant [Member]
Director [Member]
Oct. 31, 2012
Warrant [Member]
Firm Two [Member]
Stockholders Equity [Line Items]                                                                                                                          
Shares purchased for price protection                                                               915,429                                                          
Price per share                                         $ 0.19       $ 0.19   $ 0.19   $ 0.35     $ 0.3325                                                          
Original warrants held         456,000                         426,500       14,451,613                                                                              
Exercise price of warrants   $ 0.50     $ 0.3325       $ 0.50   $ 0.50   $ 1.00     $ 0.3325 $ 0.50 $ 0.3325 $ 1.00     $ 0.155                                             $ 0.50 $ 0.35   $ 0.50 $ 0.3325   $ 0.50   $ 0.50       $ 0.19       $ 0.60
Issuance of common shares and warrants for services, shares                               1,347,368                                       100,000               100,000                                 100,000
Option expiration period                                                                                         5 years 5 years   5 years   5 years 5 years 5 years 5 years   5 years   5 years   5 years   5 years
Issuance of common shares and warrants for services                       $ 43,000                               $ 43,000               $ 100                                                 $ 8,000
Exercisable warrants issued                 1,833,770                                                                             150,000                          
Exercisable warrants issued, fair value                                                                                               15,000                          
Stock-based compensation             97,203 149,356 154,062 81,605 608,429 347,657                                                                     4,500 15,000                          
Warrants issued to a placement agent as a fee related to prior investments 1,115,026                                                                                                                        
Warrant value recorded as debt discount                       389,565                          389,565                                                                          
Conversion of notes payable, shares         142,357 20,000                       5,130,795           6,736,842                                                                          
Fees Paid                               207,500   25,000           117,846                                                                          
Warrant value recorded as debt issue cost                       94,316          94,316                                                                                          
Professional fees                                 59,158                                                                                        
Exercise offering                              4,231,840                                                                                            
Warrant exercise offering exercise price                              $ 0.19                                                                                            
Warrants exercised                     804,049                                               7,006                                                    
Warrant modification expense                       156,952                                                                                                     
Shares issued for price protection, shares                                                               4,516,917 3,473,259   3,270,678 4,516,917       3,473,259                 5,178,947               2,662,139        
Issuance of common shares and warrants for cash, net of offering costs   $ 8,750 $ 519,370 $ 530,337         $ 1,041,540     $ 3,025,236         $ 522,170 $ 2,494,899   $ 6,000   $ 1,631,500 $ 50,000     $ 100,000               $ 3,329   $ 9,920             $ 212,000                                    
Issuance of common shares and warrants for cash, net of offering costs, shares                                                           1,614,286 2,042,856     3,329,503   9,920,000 1,715,217 7,877,144 3,157,895 10,525,809 263,158 526,318 605,716   807,143 1,021,432         857,609   3,938,570 389,000   3,157,895 5,262,907 263,158   526,318