Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
CURRENT ASSETS
Cash	$ 96,630	$ 290,287
Certificates of Deposit, plus accrued interest	155,055	153,951
Accounts Receivable, less allowance for doubtful accounts of $6,719 and $6,719, respectively.	631,602	419,630
Inventories	590,827	485,433
Prepaid Expenses	278,754	244,494
TOTAL CURRENT ASSETS	1,752,868	1,593,795
PROPERTY AND EQUIPMENT, NET	471,908	488,460
OTHER ASSETS
Deposits	4,192	4,192
Inventories	171,734	123,204
Intangible Asset	17,000	17,000
ROU assets - operating leases at December 31, 2019	52,295
Deferred Tax Asset, net valuation allowance of $171,381 and $171,381, respectively.	172,359	208,281
	417,580	352,677
TOTAL ASSETS	2,642,356	2,434,932
CURRENT LIABILITIES
Accounts Payable	112,849	147,445
Accrued Expenses	336,170	228,490
Lease Liabilities - Operating Leases, Current Portion	45,343
TOTAL CURRENT LIABILITIES	494,362	375,935
LONG TERM LIABILITIES
Lease Liability - Operating Leases	12,299
TOTAL LONG TERM LIABILITIES	12,299
COMMITMENTS AND CONTINGENCIES (NOTE I)
STOCKHOLDERS' EQUITY
Preferred Stock
Common Stock, no par value, 80,000,000 shares authorized; 8,087,388 shares issued and outstanding.	4,444,766	4,444,766
Paid-in Capital	15,885	15,885
Accumulated Deficit	(2,451,816)	(2,528,514)
TOTAL STOCKHOLDERS' EQUITY	2,135,695	2,058,997
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	2,642,356	2,434,932
Convertible Preferred Stock [Member]
STOCKHOLDERS' EQUITY
Preferred Stock	$ 126,860	$ 126,860