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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Aug. 31, 2019	May 31, 2019
Current Assets:
Cash and cash equivalents	$ 807,554	$ 686,785
Accounts receivable, less allowance for doubtful accounts of $66,143 and $73,110 as of August 31, 2019 and May 31, 2019, respectively	858,512	1,454,652
Inventories	2,206,338	2,151,090
Prepaid expenses and other	241,755	202,402
Total Current Assets	4,114,159	4,494,929
Property and Equipment, net of accumulated depreciation and amortization of $1,791,841 and $1,762,344 as of August 31, 2019 and May 31, 2019.	323,743	351,070
Right of Use Assets	1,878,514
Investments	165,324	165,324
Intangible Assets, net	113,529	107,209
Other Assets	128,644	126,832
Total Assets	6,723,913	5,245,364
Current Liabilities:
Accounts payable and accrued expenses	943,875	1,037,565
Accrued compensation	230,145	226,829
Lease liability, short term	194,776
Total Current Liabilities	1,368,796	1,264,394
Lease Liability, long term	1,731,399
Total Liabilities	3,100,195	1,264,394
Commitments and Contingencies (Notes 6 and 7)
Shareholders' Equity:
Preferred stock, no par value authorized 5,000,000 shares, none issued and none outstanding at August 31, 2019 and May 31, 2019
Common stock, $0.08 par value authorized 25,000,000 shares, issued and outstanding 9,768,813 at August 31, 2019 and 9,677,188 at May 31, 2019	781,503	774,173
Additional paid-in-capital	22,975,162	22,830,006
Accumulated other comprehensive loss	(39,973)	(36,531)
Accumulated deficit	(20,092,974)	(19,586,678)
Total Shareholders' Equity	3,623,718	3,980,970
Total Liabilities and Shareholders' Equity	$ 6,723,913	$ 5,245,364

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