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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
Aug. 31, 2014
May 31, 2014
Current Assets:    
Cash and cash equivalents $ 1,646,978 $ 1,509,125
Accounts receivable, less allowance for doubtful accounts of $14,459 and $30,000 as of August 31, 2014 and May 31, 2014, respectively 788,199 1,447,705
Inventories, net 1,880,193 1,765,772
Prepaid expenses and other 135,196 103,572
Deferred tax assets, current portion 87,000 87,000
Total current assets 4,537,566 4,913,174
Property and Equipment, net of accumulated depreciation & amortization 571,538 614,337
Deferred Tax Assets, net of current portion 359,000 359,000
Investments 165,324 165,324
Intangible Assets, net 370,253 382,181
Other Assets 43,498 36,297
Total Assets 6,047,179 6,470,313
Current Liabilities:    
Accounts payable and accrued expenses 230,444 441,681
Accrued compensation 118,281 114,163
Total Current Liabilities 348,725 555,844
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, 2014 and May 31, 2014      
Common stock, $0.08 par value authorized 25,000,000 shares, issued and outstanding 7,551,964 and 7,543,714 at August 31 and May 31, 2014, respectively 604,156 603,496
Additional paid-in-capital 18,312,681 18,309,154
Accumulated other comprehensive loss (11,083) (10,149)
Accumulated deficit (13,207,300) (12,988,032)
Total Shareholders' Equity 5,698,454 5,914,469
Total Liabilities and Shareholders' Equity $ 6,047,179 $ 6,470,313