CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Nov. 30, 2014	May 31, 2014
Currents Assets:
Cash and cash equivalents	$ 1,674,048	$ 1,509,125
Accounts receivable, less allowance for doubtful accounts of $13,341 and $30,000 as of November 30, 2014 and May 31, 2014, respectively	563,910	1,447,705
Inventories, net	1,989,950	1,765,772
Prepaid expenses and other	151,638	103,572
Deferred tax assets, current portion	87,000	87,000
Total current assets	4,466,546	4,913,174
Property and Equipment, net of accumulated depreciation and amortization of $1,249,785 and $1,160,934 as of November 30, 2014 and May 31, 2014, respectively	532,240	614,337
Deferred Tax Assets, net of current portion	359,000	359,000
Investments	165,324	165,324
Intangible Assets, net	359,657	382,181
Other Assets	45,018	36,297
Total Assets	5,927,785	6,470,313
Current Liabilities:
Accounts payable and accrued expenses	344,337	441,681
Accrued compensation	122,654	114,163
Total current liabilities	466,991	555,844
Commitments and Contingencies (Note 5)
Shareholders' Equity:
Preferred stock, no par value authorized 5,000,000 shares, none issued and none outstanding at November 30, 2014 and May 31, 2014
Common stock, $0.08 par value authorized 25,000,000 shares, issued and outstanding 7,552,714 and 7,543,714 at November 30 and May 31, 2014, respectively	604,216	603,496
Additional paid-in-capital	18,313,733	18,309,154
Accumulated other comprehensive loss	(11,827)	(10,149)
Accumulated deficit	(13,445,328)	(12,988,032)
Total Shareholders' Equity	5,460,794	5,914,469
Total Liabilities and Shareholders' Equity	$ 5,927,785	$ 6,470,313