Consolidated Statement of Changes in Shareholders' Equity (Deficit) (USD $)
|
Total
|
Accrued Interest
|
Bonus Share
|
Conversion Features one
|
Conversion Features two
|
Conversion Features three
|
Conversion Features Four
|
Conversion Features Five
|
Exercise Price 1
|
Exercise Price 2
|
Exercise Price 3
|
Issuance During Period 1st
|
Issuance During Period 2nd
|
Issuance During Period 3rd
|
Issuance During Period 4th
|
Preferred Stock
|
Common Stock
|
Common Stock
Accrued Interest
|
Common Stock
Bonus Share
|
Common Stock
Conversion Features one
|
Common Stock
Conversion Features two
|
Common Stock
Conversion Features three
|
Common Stock
Conversion Features Four
|
Common Stock
Conversion Features Five
|
Common Stock
Exercise Price 1
|
Common Stock
Exercise Price 2
|
Common Stock
Exercise Price 3
|
Common Stock
Issuance During Period 1st
|
Common Stock
Issuance During Period 2nd
|
Common Stock
Issuance During Period 3rd
|
Common Stock
Issuance During Period 4th
|
Common Stock Payable
|
Common Stock Payable
Accrued Interest
|
Common Stock Payable
Bonus Share
|
Additional Paid-in Capital
|
Rescission Amount
|
Stock for Prepaid Services
|
Accumulated Deficit
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Beginning balance at May. 31, 2012 | $ (3,973,434) | $ 451,993 | $ 15,050,261 | $ 388,000 | $ 8,319,830 | $ (3,749,000) | $ (24,434,518) | |||||||||||||||||||||||||||||||
Beginning balance, shares at May. 31, 2012 | 98,900 | 28,746,672 | ||||||||||||||||||||||||||||||||||||
Rescission expirations and exclusions | 3,212,500 | 3,212,500 | ||||||||||||||||||||||||||||||||||||
Amortization of deferred offering costs related to rescission liability | (580,392) | (158,902) | (377,258) | (44,232) | ||||||||||||||||||||||||||||||||||
Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares | (3,800) | 38,000 | 756,000 | 5,604 | ||||||||||||||||||||||||||||||||||
Common shares issued to extinguish promissory notes payable, convertible debt and related interest | (19,000) | 19,000 | ||||||||||||||||||||||||||||||||||||
Common shares issued to extinguish promissory notes payable, convertible debt and related interest, value | 567,000 | 567,000 | 4,203 | 567,000 | 4,203 | |||||||||||||||||||||||||||||||||
Series B Convertible Preferred Stock Dividends, shares | 4,380 | |||||||||||||||||||||||||||||||||||||
Series B Convertible Preferred Stock Dividends, value | 2,190 | (2,190) | ||||||||||||||||||||||||||||||||||||
Common Stock issued related to legal settlement | 388,000 | (388,000) | ||||||||||||||||||||||||||||||||||||
Exercise of Common Stock warrants, shares | 750,000 | 5,000 | ||||||||||||||||||||||||||||||||||||
Common Stock issued related to legal settlement, shares | 400,000 | |||||||||||||||||||||||||||||||||||||
Exercise of Common Stock warrants, Value | 187,500 | 5,000 | 187,500 | 5,000 | ||||||||||||||||||||||||||||||||||
Common Stock issued for services to consultants, shares | 60,000 | |||||||||||||||||||||||||||||||||||||
Common Stock issued for services to consultants, value | 160,800 | (160,800) | ||||||||||||||||||||||||||||||||||||
Common stock issuable, value | 10,278 | 107,500 | 10,278 | 107,500 | ||||||||||||||||||||||||||||||||||
Amortization of prepaid stock services | 160,800 | 160,800 | ||||||||||||||||||||||||||||||||||||
Common Stock issued for services to directors, shares | 7,810 | 16,230 | 12,500 | 14,980 | ||||||||||||||||||||||||||||||||||
Common Stock issued for services to directors, Value | 12,496 | 12,497 | 12,500 | 11,984 | 12,496 | 12,497 | 12,500 | 11,984 | ||||||||||||||||||||||||||||||
Exercise of Common Stock options, shares | 780,000 | 25,000 | ||||||||||||||||||||||||||||||||||||
Exercise of Common Stock options, Value | 8,500 | 8,500 | ||||||||||||||||||||||||||||||||||||
Stock issued in payment of accounts payable, shares | 66,116 | |||||||||||||||||||||||||||||||||||||
Issuance of common stock for accounts payable, value | 80,000 | 80,000 | ||||||||||||||||||||||||||||||||||||
Stock-based compensation | 3,261,951 | 3,261,951 | ||||||||||||||||||||||||||||||||||||
Debt discount related to warrants and beneficial conversion feature associated with convertible debt | 6,243,502 | 6,243,502 | ||||||||||||||||||||||||||||||||||||
Net loss at year ended | (9,568,301) | (9,568,301) | ||||||||||||||||||||||||||||||||||||
Ending Balance at May. 31, 2013 | (223,916) | 274,091 | 16,144,673 | 117,778 | 17,778,861 | (536,500) | (34,002,819) | |||||||||||||||||||||||||||||||
Ending balance, shares at May. 31, 2013 | 95,100 | 30,908,292 | ||||||||||||||||||||||||||||||||||||
Rescission expirations and exclusions | 158,500 | 158,500 | ||||||||||||||||||||||||||||||||||||
Amortization of deferred offering costs related to rescission liability | (28,636) | (7,840) | (20,796) | |||||||||||||||||||||||||||||||||||
Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares | 2,046,148 | 1,493,333 | 24,363 | 16,117 | 21,963 | |||||||||||||||||||||||||||||||||
Proceeds from unit offering, shares | 20,989,494 | |||||||||||||||||||||||||||||||||||||
Common shares issued to extinguish promissory notes payable, convertible debt and related interest, value | 2,459,000 | 1,330,000 | 1,120,000 | 15,837 | 12,088 | 10,012 | 1,330,000 | 1,120,000 | 15,837 | 12,088 | 10,012 | |||||||||||||||||||||||||||
Proceeds from unit offering | 13,642,667 | 13,642,667 | ||||||||||||||||||||||||||||||||||||
Deferred offering costs | (2,084,063) | (2,084,063) | ||||||||||||||||||||||||||||||||||||
Inducement warrants | 193,160 | 193,160 | ||||||||||||||||||||||||||||||||||||
Exercise of Common Stock warrants, shares | 50,000 | |||||||||||||||||||||||||||||||||||||
Exercise of Common Stock warrants, Value | 50,000 | 50,000 | ||||||||||||||||||||||||||||||||||||
Common stock issuable, share | 150,000 | 53,601 | ||||||||||||||||||||||||||||||||||||
Common stock issuable, value | 64,722 | 35,139 | 75,000 | 72,361 | (10,278) | (107,500) | ||||||||||||||||||||||||||||||||
Exercise of Common Stock options, shares | 50,000 | |||||||||||||||||||||||||||||||||||||
Stock-based compensation | 928,413 | 928,413 | ||||||||||||||||||||||||||||||||||||
Debt discount related to warrants and beneficial conversion feature associated with convertible debt | 1,200,000 | 1,200,000 | ||||||||||||||||||||||||||||||||||||
Net loss at year ended | (12,431,413) | (12,431,413) | ||||||||||||||||||||||||||||||||||||
Ending Balance at May. 31, 2014 | $ 3,922,232 | $ 266,251 | $ 30,367,779 | $ 20,100,434 | $ (378,000) | $ (46,434,232) | ||||||||||||||||||||||||||||||||
Ending balance, shares at May. 31, 2014 | 95,100 | 55,753,311 |