Consolidated Balance Sheets (Unaudited) (USD $)	Feb. 28, 2014	May 31, 2013
Current Assets:
Cash	$ 382,824	$ 366,896
Accounts receivable, Trade, net of allowance of $100,000	1,696,113	2,239,594
Accounts receivable, Related party	86,569
Inventory	2,879,676	1,044,379
Prepaid expenses and other	210,492	119,198
Total Current Assets	5,255,674	3,770,067
Property, Plant and Equipment	17,959,797	15,754,959
Less: Accumulated Depreciation	(8,855,444)	(8,710,820)
Property, Plant and Equipment, net	9,104,353	7,044,139
Deferred Tax Asset	1,460,000	1,159,000
Other Assets	172,547	71,371
Total Assets	15,992,574	12,044,577
Current Liabilities:
Current portion of long-term debt	3,956,067	1,344,160
Accounts payable and accrued expenses	1,932,301	1,643,339
Accounts payable and accrued expenses - related parties	1,762,156	1,551,154
Preferred dividends payable	24,932	1,883,959
Total Current Liabilities	7,675,456	6,422,612
Long-Term Debt, net of current portion	11,338,427	9,658,020
Deficit:
Preferred stock, $0.0001 par value, $5,000,000 liquidation preference; Shares authorized: 20,750,000; Shares issued and outstanding: 50,000	5	5
Common stock, $0.0001 par value; Shares authorized: 5,000,000,000; Shares issued and outstanding: 26,111,201	2,611	2,611
Additional paid-in capital	53,182,785	53,142,717
Accumulated deficit	(57,236,793)	(58,321,266)
Total Greystone Stockholders' Deficit	(4,051,392)	(5,175,933)
Non-controlling interests	1,030,083	1,139,878
Total Deficit	(3,021,309)	(4,036,055)
Total Liabilities and Deficit	$ 15,992,574	$ 12,044,577