|
Stockholders' Equity Transactions - Additional Information (Detail) (USD $)
|
1 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 18, 2012
|
Apr. 30, 2012
|
Mar. 31, 2012
|
Jan. 31, 2012
|
Jun. 30, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
Dec. 31, 2010
Common Stock owed but not issued be issued
|
Mar. 31, 2012
Notes Payable
|
Mar. 31, 2012
Accounts Payable
|
Apr. 30, 2012
Note Payables And Related Accrued Interest
|
Dec. 31, 2009
Exercise Price
|
Dec. 31, 2009
Exercise Price
|
Dec. 31, 2009
Convertible Debentures - 2010
|
Dec. 31, 2009
Convertible Debentures - 2010
Expiration Period 1
|
Dec. 31, 2009
Convertible Debentures - 2010
Expiration Period 2
|
|
| Class of Stock [Line Items] | |||||||||||||||||
| Common stock, shares issued | 47,470,406 | 32,867,028 | 27,060,561 | 23,748,561 | |||||||||||||
| Common stock, shares outstanding | 47,470,406 | 32,867,028 | 27,060,561 | 23,748,561 | |||||||||||||
| Common stock issuable | 567,500 | 0 | 542,856 | 1,830,825 | |||||||||||||
| Shares issued that were owed (in shares) | 542,856 | 1,830,825 | |||||||||||||||
| Shares issued for compensation (in shares) | 900,000 | 900,000 | 600,000 | 250,000 | |||||||||||||
| Shares issued for compensation | $ 189,000 | $ 189,000 | $ 306,000 | $ 170,000 | |||||||||||||
| Warrant exercise (in shares) | 231,175 | ||||||||||||||||
| Number of warrant exercised | 231,175 | 100,000 | |||||||||||||||
| Warrant exercise, price per share | $ 0.15 | ||||||||||||||||
| Warrant exercise | 34,676 | ||||||||||||||||
| Convertible debenture converted to stock (in shares) | 1,725,580 | 10,927,289 | 4,363,611 | 1,000,000 | |||||||||||||
| Convertible debenture converted to stock | 431,395 | 2,731,822 | 3,163,218 | 1,090,902 | 350,000 | ||||||||||||
| Common stock conversion, price per share | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.35 | $ 0.25 | $ 0.25 | |||||||||||
| Shares issued for cash | 50,000 | 155,000 | |||||||||||||||
| Shares issued for cash (in shares) | 200,000 | 442,857 | |||||||||||||||
| Warrants issued (in shares) | 442,857 | 2,857,142 | |||||||||||||||
| Warrant exercise price | 0.40 | 0.40 | 0.50 | 0.15 | 0.50 | 0.50 | |||||||||||
| Exercise of warrants | 15,000 | ||||||||||||||||
| Number of common stock issuable for warrant exercised | 100,000 | ||||||||||||||||
| Shares issued for services rendered (in shares) | 100,000 | ||||||||||||||||
| Shares issued for services rendered | 51,000 | ||||||||||||||||
| Number of shares in each unit | 1 | ||||||||||||||||
| Number of warrant in each unit | 1 | ||||||||||||||||
| Exercise price | $ 0.40 | ||||||||||||||||
| Warrant term | 2 years | 2 years | |||||||||||||||
| Shares issued for accounts payable conversion (in shares) | 200,000 | ||||||||||||||||
| Common stock conversion, price per share | 40,000 | ||||||||||||||||
| Shares issued for notes payable conversion (in shares) | 187,277 | 663,232 | |||||||||||||||
| Shares issued for notes payable conversion | 199,470 | 212,628 | 165,808 | ||||||||||||||
| Warrant outstanding | 200,000 | 331,175 | 2,857,142 | ||||||||||||||
| Warrant expiration period | 2011-08 | 2011-09 | |||||||||||||||
| Warrants exercised total (in shares) | 331,175 | ||||||||||||||||
| Common stock exercise price | $ 0.15 | ||||||||||||||||
| Warrant exercised, total | $ 49,676 | ||||||||||||||||
| Shares issued for stock sale (in shares) | 200,000 | ||||||||||||||||
| Warrant exercise term | 2 years | ||||||||||||||||
| Warrant expiration period | Nov. 07, 2013 | Nov. 07, 2013 | |||||||||||||||