Equity Transactions: (Details) (USD $)	0 Months Ended		0 Months Ended				12 Months Ended
	Jul. 05, 2012 Worldwide Medical Consultants, Inc. ("WMC") CARIGEN, LTD ("SRB")	Feb. 28, 2013 Worldwide Medical Consultants, Inc. ("WMC") CARIGEN, LTD ("SRB")	Jun. 01, 2009 Stock options	Jun. 01, 1998 Stock options	Jun. 01, 1997 Stock options	Sep. 14, 1996 Stock options	Feb. 28, 2013 Stock options
Equity transactions
Granted (in shares)						600,000
Exercise price (in dollars per share)						$ 0.35
Vested (in shares)				100,000	100,000	400,000	0
Exercised (in shares)							0
Common stock, shares approved for issuance as compensation for services rendered			60,000
Common stock, fair value of shares approved for issuance as compensation for services rendered			$ 9,400
Consulting fee (as a percent)	10.00%
Warrants to be granted to acquire shares of common stock (in shares)	2,000,000
Exercisable price (in dollars per share)	$ 0.10
Warrants exercise period	10 years
Shares vesting upon execution of the agreement	1,000,000
Remaining shares to vest upon the first closing of a transaction by SRB under the marketing agreement	1,000,000
Fair value of vested warrants at date of grant	$ 160,000
Fair value of vested warrants at date of grant (in dollars per share)	$ 0.16
Warrants exercised (in shares)		0