Stockholder's Deficit - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended			1 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended		3 Months Ended	6 Months Ended
	Oct. 16, 2009	Jul. 31, 2012	Apr. 30, 2012	Jul. 31, 2012	Jul. 31, 2011	Jan. 31, 2012	Jul. 31, 2012 Employee And Director Stock Option	Jan. 31, 2012 Employee And Director Stock Option	Oct. 16, 2009 Convertible Note	Jul. 31, 2012 Convertible Note	Oct. 16, 2009 Placement Agents	Jul. 31, 2012 Placement Agents	Apr. 30, 2012 Restricted Stock	Jan. 31, 2012 Restricted Stock	Jul. 31, 2012 2010 Equity Incentive Plan	Jul. 31, 2011 2010 Equity Incentive Plan	Jul. 31, 2012 2010 Equity Incentive Plan	Jul. 31, 2011 2010 Equity Incentive Plan	Jan. 31, 2011 2010 Equity Incentive Plan	Jan. 31, 2012 2010 Equity Incentive Plan	Jul. 31, 2012 2010 Equity Incentive Plan Mr. Ted Schreck	Jul. 31, 2012 2010 Equity Incentive Plan Mr. Ted Schreck
Stockholders Equity Note [Line Items]
Issuance of common stock for services (shares)		200,000	300,000			600,000							400,000	400,000
Issuance of common stock for services		$ 26,000	$ 41,560			$ 90,000								$ 60,000
Issuance of common stock for services													$ 0.001	$ 0.001
Shares issued for prepaid director services				47,520									47,520
Issuance of common stock in connection with financing costs (shares)			216,000
Issuance of common stock in connection with financing costs			25,661
Issuance of restricted stock awards (shares)			400,000
Number of warrant issued	1,500,000								1,250,000	1,250,000	250,000	250,000
Warrant exercise price	0.11485	0.125		0.125		0.11485				0.114850		0.114850
Warrants term	5 years
Warrant expiration date	Oct. 31, 2014	Oct. 31, 2014		Oct. 31, 2014
Equity incentive plan, shares authorized for issuance															5,000,000		5,000,000
Options vesting period																	3 years					3 years
Option expiration period																	10 years					10 years
Equity incentive plan, shares available for future grant															2,050,000		2,050,000
Option grants in period				1,000,000															1,150,000			1,000,000
Options granted, fair value per share																			$ 0.11
Options granted, aggregate fair value																			126,500
Fair value assumption, exercise price																			$ 0.15
Fair value assumption, expected term																			10 years
Fair value assumption, interest rate																			1.98%
Fair value assumption, Volatility rate																			80.00%
Compensation expense															6,254	7,333	12,508	14,666
Unrecognized compensation cost related to non-vested share-based							62,507	25,015							12,507		12,507			25,015	50,000	50,000
Fair value of the stock options																					120,000	120,000
Stock options granted, exercise price																					$ 0.15	$ 0.15
Stock options granted, expected term																						10 years
Interest rate																						1.97%
Volatility rate																						80.00%
Total stock option compensation recognized				$ 82,508	$ 14,666																$ 15,000	$ 70,000