CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)	Aug. 31, 2015	May. 31, 2015
Current Assets:
Cash and cash equivalents	$ 893,265	$ 1,088,307
Accounts receivable, less allowance for doubtful accounts of $3,154 and $17,468 as of August 31, 2015 and May 31, 2015, respectively	1,213,718	1,111,570
Inventories, net	2,109,174	2,027,372
Prepaid expenses and other	173,971	164,352
Deferred tax assets, current portion	74,000	74,000
Total Current Assets	4,464,128	4,465,601
Property and Equipment, net of accumulated depreciation and amortization	410,915	445,386
Deferred Tax Assets, net of current portion	670,000	670,000
Investments	165,324	165,324
Intangible Assets, net	303,506	321,304
Other Assets	60,956	56,838
Total Assets	6,074,829	6,124,453
Current Liabilities:
Accounts payable and accrued expenses	405,326	392,139
Accrued compensation	133,820	131,794
Total Current Liabilities	$ 539,146	$ 523,933
Commitments and Contingencies (Note 6)
Shareholders' Equity:
Preferred stock, no par value authorized 5,000,000 shares, none issued and none outstanding at August 31, 2015 and May 31, 2015
Common stock, $0.08 par value authorized 25,000,000 shares, Issued and outstanding 7,584,487 and 7,566,714 at August 31, 2015 and May 31, 2015, respectively	$ 606,757	$ 605,336
Additional paid-in-capital	18,333,310	18,326,890
Accumulated other comprehensive loss	(12,607)	(12,264)
Accumulated deficit	(13,391,777)	(13,319,442)
Total Shareholders' Equity	5,535,683	5,600,520
Total Liabilities and Shareholders' Equity	$ 6,074,829	$ 6,124,453