CONSOLIDATED CONDENSED BALANCE SHEETS (unaudited) (Parenthetical) (USD $)	Nov. 30, 2011	May 31, 2011
CURRENT ASSETS
Accounts and other receivables, net of an allowance for doubtful accounts	$ 1,617,193	$ 1,296,947
PROPERTY AND EQUIPMENT, accumulated depreciation	1,789,204	1,633,290
DEFERRED DISTRIBUTOR COSTS, accumulated amortization	$ 588,876	$ 464,402
STOCKHOLDERS' EQUITY
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	299,024
Preferred stock, shares outstanding (in shares)	0	299,024
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	153,103,796	117,078,704
Common stock, shares outstanding (in shares)	153,103,796	117,078,704