| Stockholders' Equity (Deficiency) (Common Stock and Warrants Narrative) (Details) - USD ($)
 |  |  |  |  |  |  |  |  |  | 1 Months Ended | 4 Months Ended | 12 Months Ended |  |  |  |  | 
| Jun. 08, 2015 | Apr. 29, 2015 | Apr. 23, 2015 | Jan. 15, 2015 | Jan. 14, 2015 | Dec. 01, 2014 | Sep. 04, 2014 | Jun. 24, 2014 | Jun. 04, 2014 | Apr. 22, 2016 | Jan. 19, 2016 | Apr. 30, 2015 | Apr. 29, 2015 | Sep. 30, 2014 | Jul. 31, 2014 | Jun. 24, 2014 | Sep. 30, 2013 | Apr. 30, 2015 | Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Mar. 13, 2012 | Mar. 08, 2012 | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock, shares authorized |  |  |  |  |  |  |  |  |  |  |  | 250,000,000 |  | 120,000,000 |  |  |  | 250,000,000 | 250,000,000 | 250,000,000 | 250,000,000 |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |  | $ 5,547,826 | $ 750,000 |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise price of warrants |  | $ 0.155 |  |  |  |  |  |  |  |  |  |  | $ 0.155 |  |  |  |  |  |  |  |  |  |  |  |  | 
| Price per share |  | $ 0.155 |  |  |  |  |  |  |  |  |  |  | $ 0.155 |  |  |  |  |  |  |  | $ 0.19 |  |  |  |  | 
| Shares repurchased and retired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,838 |  |  |  |  |  |  | 
| Issuance of common shares for services rendered |  | $ 37,626 |  |  | $ 32,632 |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,400 | 70,258 | $ 216,000 |  |  |  |  | 
| Issuance of common shares for services rendered, shares |  | 208,333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant Conversion/Exercised, shares |  | 7,079,700 | 7,556,884 |  |  |  |  |  |  |  |  | 14,636,582 | 14,636,590 |  |  |  |  | 14,747,116 |  |  |  |  |  |  |  | 
| Warrant Conversion/Exercised |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,268,670 |  |  |  |  | $ 2,268,670 |  | 2,268,670 | 804,049 |  |  |  |  | 
| Warrant Modification Expense |  |  |  | $ 156,952 |  |  |  |  |  | $ 48,555 |  |  |  |  |  |  |  |  | 54,554 | $ 333,323 | 156,952 |  |  |  |  | 
| Repurchase of shares under settlement agreement |  |  |  |  |  |  |  |  |  |  | $ 29,500 |  |  |  |  |  |  |  | $ (5,838) |  |  |  |  |  |  | 
| Repurchase of shares under settlement agreement, shares |  |  |  |  |  |  |  |  |  |  | 42,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Expenses for settlement |  |  |  |  |  |  |  |  |  |  | $ 23,662 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock, shares issued |  |  |  |  |  |  |  |  |  |  |  | 128,253,605 |  |  |  |  |  | 128,253,605 | 135,158,145 | 128,253,605 |  |  |  |  |  | 
| Proceeds from warrant exercise |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 752,500 | $ 2,268,670 |  |  |  |  |  | 
| Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock units granted | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Fair value of grant | $ 50,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Vesting-period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |  | 
| Allocated Share-based Compensation Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,400 |  |  |  |  |  |  | 
| Firm One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.35 |  |  |  | 
| Equity Issuance Transaction One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise price of warrants |  |  |  | $ 0.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Equity Issuance Transaction Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise price of warrants |  |  |  | 0.3325 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Institutional Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amount of note converted |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of convertible debt into shares, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,736,842 |  |  |  |  |  |  |  |  | 
| Debt conversion, price per share |  |  |  |  |  | $ 0.19 |  |  |  |  |  |  |  |  | $ 0.155 |  | $ 0.3325 |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,766,326 | $ 1,631,500 |  |  |  |  |  |  |  |  |  |  | 
| Offering costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |  |  | 
| Net proceeds from issuance of private placement |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,700,000 |  |  |  |  |  |  |  |  |  |  |  | 
| Number of warrants outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,451,613 |  |  |  |  |  |  |  |  |  |  | 
| Institutional Investor [Member] | Equity Issuance Transaction One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of convertible debt into shares, shares |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Institutional Investor [Member] | Equity Issuance Transaction Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of convertible debt into shares, shares |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| CEO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of convertible debt into shares, shares |  |  |  |  |  |  |  |  |  | 1,591,053 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Debt conversion, price per share |  |  |  |  |  |  |  |  |  | $ 0.19 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  | 
| Price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.19 |  | $ 1.00 | 
| Warrants exercised |  |  |  |  |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Third Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.50 |  | 
| Hillair Capital Investments Lp [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Accrued interest settled |  |  |  |  |  |  | $ 70,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of convertible debt into shares, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,591,053 | 526,316 |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 35,615 | $ 3,947 |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,614,154 | 3,947,371 |  |  |  |  | 
| Exercise price of warrants |  |  |  |  |  |  |  |  |  | $ 0.19 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares issued for price protection, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,532,682 |  |  |  |  |  | 
| Price per share |  |  |  |  | $ 0.155 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares repurchased and retired, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42,000 |  |  |  |  |  |  | 
| Shares repurchased and retired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 42 |  |  |  |  |  |  | 
| Issuance of common shares for services rendered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300 | $ 419 | $ 617 |  |  |  |  | 
| Issuance of common shares for services rendered, shares |  |  |  |  | 210,526 |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 | 418,859 | 617,143 |  |  |  |  | 
| Warrant Conversion/Exercised, shares |  | 110,526 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,747,116 |  |  |  |  |  | 
| Warrant Conversion/Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,748 |  |  |  |  |  | 
| Warrant Modification Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock, shares issued |  |  |  |  |  |  |  |  |  | 4,855,487 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Reduced Exercise price |  |  |  |  |  |  |  |  |  | $ 0.155 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock [Member] | Institutional Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,298,871 | 10,525,809 |  |  |  |  |  |  |  |  |  |  | 
| Shares issued for price protection, shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 59,423 | 3,473,259 |  |  |  |  |  |  |  |  |  |  | 
| Common Stock [Member] | CEO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  | 
| Accumulated Deficit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares repurchased and retired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for services rendered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant Conversion/Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant Modification Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Additional Paid-In Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,512,211 | $ 746,053 |  |  |  |  | 
| Shares repurchased and retired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,796 |  |  |  |  |  |  | 
| Issuance of common shares for services rendered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,100 | 69,839 | 215,383 |  |  |  |  | 
| Warrant Conversion/Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,253,922 | 797,043 |  |  |  |  | 
| Warrant Modification Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 54,554 | 333,323 | $ 156,952 |  |  |  |  | 
| Treasury Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares repurchased and retired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for services rendered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant Conversion/Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant Modification Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise price of warrants |  |  |  | $ 0.19 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares issued for price protection, shares |  |  |  | 5,178,947 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Price per share |  |  |  | $ 0.19 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant Conversion/Exercised, shares |  | (600,000) |  | (4,231,840) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrant [Member] | Institutional Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,149,438 | 5,262,907 |  |  |  |  |  |  |  |  |  |  | 
| Option expiration period |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |  |  |  |  |  |  |  | 
| Shares issued for price protection, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,662,139 |  |  |  |  |  |  |  |  |  |  | 
| Warrant [Member] | CEO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common shares for cash, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 263,158 |  |  |  |  |  |  |  |  |  |