CONSOLIDATED BALANCE SHEETS (USD $)	Aug. 31, 2011		May 31, 2011
Current Assets
Cash and cash equivalents	$ 1,020,655		$ 989,270
Accounts receivable, net	865,372	[1]	747,075	[2]
Inventories, net	1,735,059		1,785,525
Prepaid expenses and other	130,628		237,563
Deferred tax assets, current portion	127,000		127,000
Total Current Assets	3,878,714		3,886,433
Property and Equipment, net of accumulated depreciation and amortization	570,861		567,323
Deferred Tax Assets, net of current portion	111,000		111,000
Investments	165,324		165,324
Intangible Assets, net	195,297		177,410
Other Assets	50,079		47,888
Total Assets	4,971,275		4,955,378
Current Liabilities
Accounts payable and accrued expenses	388,020		451,569
Accrued compensation	111,876		138,056
Loan for equipment purchase-current	23,664		35,390
Total Current Liabilities	523,560		625,015
Commitments and Contingencies
Shareholders' Equity
Preferred stock		[3]		[4]
Common stock	549,466	[5]	549,466	[6]
Additional paid-in-capital	17,643,121		17,643,121
Accumulated other comprehensive loss	(4,900)		(4,460)
Accumulated deficit	(13,739,972)		(13,857,764)
Total Shareholders' Equity	4,447,715		4,330,363
Total Liabilities and Shareholders' Equity	$ 4,971,275		$ 4,955,378

[1] Allowance for doubtful accounts of $53,725 as of August 31, 2011

[2] Allowance for doubtful accounts of $32,204 as of May 31, 2011

[3] No par value authorized 5,000,000 shares, issued and none outstanding at August 31, 2011.

[4] No par value authorized 5,000,000 shares, issued and none outstanding at May 31, 2011

[5] $0.08 par value authorized 25,000,000 shares, issued and outstanding 6,868,339 at August 31, 2011

[6] $0.08 par value authorized 25,000,000 shares, issued and outstanding 6,868,339 at May 31, 2011