Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Feb. 28, 2019	May 31, 2018
Current assets:
Cash and cash equivalents	$ 1,766,161	$ 2,297,890
Restricted cash	198,887	21,559
Prepaid income tax	2,285	2,285
Prepaid expenses and other current assets	23,754	5,287
Total current assets	1,991,087	2,327,021
Property and equipment, net	937	1,303
Deferred income taxes	52,156	52,156
Investment in affiliated company	135,962	199,373
Total assets	2,180,142	2,579,853
Current liabilities:
Accounts payable	7,902	44,744
Accrued expenses and other	224,744	40,095
Income taxes payable	1,600	0
Total current liabilities	234,246	84,839
Total liabilities	234,246	84,839
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 February 28, 2019 and May 31, 2018	4,382	4,382
Additional paid-in capital	77,444,062	77,444,062
Accumulated deficit	(60,876,680)	(60,327,562)
Common stock held in treasury, at cost - 36,849,670 shares at February 28, 2019 and May 31, 2018	(14,625,868)	(14,625,868)
Total stockholders' equity	1,945,896	2,495,014
Total liabilities and stockholders' equity	$ 2,180,142	$ 2,579,853