Consolidated Balance Sheets (Unaudited) - USD ($)	Aug. 31, 2019	May 31, 2019
Current assets:
Cash and cash equivalents	$ 738,660	$ 787,086
Restricted cash and cash equivalents	177,247	198,843
Investments in marketable securities	500,000	750,000
Prepaid expenses and other current assets	85,880	28,003
Total current assets	1,501,787	1,763,932
Property and equipment, net	692	814
Deferred income taxes	52,156	52,156
Investment in affiliated company	63,549	107,861
Total assets	1,618,184	1,924,763
Current liabilities:
Accounts payable	19,779	8,868
Accrued expenses and other	243,512	219,344
Income taxes payable	1,600	0
Total current liabilities	264,891	228,212
Total liabilities	264,891	228,212
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.00001 par value; 5,000,000 shares authorized: none outstanding	0	0
Common stock, $0.00001 par value: 600,000,000 shares authorized: 438,242,618 shares issued and 401,392,948 shares outstanding at August 31, 2019 and May 31, 2019	4,382	4,382
Additional paid-in capital	77,444,062	77,444,062
Accumulated deficit	(61,469,283)	(61,126,025)
Common stock held in treasury, at cost - 36,849,670 shares at August 31, 2019 and May 31, 2019	(14,625,868)	(14,625,868)
Total stockholders' equity	1,353,293	1,696,551
Total liabilities and stockholders' equity	$ 1,618,184	$ 1,924,763