CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Nov. 30, 2015	May. 31, 2015
Current Assets:
Cash and cash equivalents	$ 642,978	$ 1,088,307
Accounts receivable, less allowance for doubtful accounts of $8,815 and $17,468 as of November 30, 2015 and May 31, 2015, respectively	1,172,585	1,111,570
Inventories, net	2,237,394	2,027,372
Prepaid expenses and other	105,313	164,352
Total Current assets	4,158,270	4,391,601
Property and Equipment, net of accumulated depreciation and amortization of $1,346,477 and $1,267,617 as of November 30, 2015 and May 31, 2015, respectively	394,820	445,386
Deferred Tax Assets	873,000	744,000
Investments	165,324	165,324
Intangible Assets, net	284,692	321,304
Other Assets	65,891	56,838
Total Assets	5,941,997	6,124,453
Current Liabilities:
Accounts payable and accrued expenses	315,834	392,139
Accrued compensation	153,253	131,794
Total Current liabilities	$ 469,087	$ 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 November 30, 2015 and May 31, 2015
Common stock, $0.08 par value authorized 25,000,000 shares, Issued and outstanding 7,590,237 and 7,566,714 at November 30, 2015 and May 31, 2015, respectively	$ 607,217	$ 605,336
Additional paid-in-capital	18,337,868	18,326,890
Accumulated other comprehensive loss	(13,630)	(12,264)
Accumulated deficit	(13,458,545)	(13,319,442)
Total Shareholders' Equity	5,472,910	5,600,520
Total Liabilities and Shareholders' Equity	$ 5,941,997	$ 6,124,453