CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Current Assets:
Cash and cash equivalents	$ 1,358,100	$ 1,053,100
Investment securities	307,800	314,700
Trade accounts receivable, less allowance for doubtful accounts of $11,600 at December 31, 2018 and June 30, 2018	1,216,500	1,444,100
Contract assets, current	307,200	278,200
Inventories	2,723,900	2,267,900
Prepaid expenses and other current assets	101,400	33,500
Total current assets	6,014,900	5,391,500
Property and equipment, net	177,900	199,500
Intangible assets, net	222,600	338,700
Goodwill	705,300	705,300
Contract assets, less current portion	0	245,400
Other assets	52,500	52,500
Deferred taxes	385,500	392,600
Total assets	7,558,700	7,325,500
Current Liabilities:
Accounts payable	570,700	428,000
Accrued expenses and taxes, current portion	556,100	657,700
Contract liabilities	114,300	63,800
Contingent consideration, current portion	118,000	118,000
Notes payable	2,500	5,800
Total current liabilities	1,361,600	1,273,300
Accrued expenses, less current portion	0	60,000
Contingent consideration payable, less current portion	290,000	290,000
Total liabilities	1,651,600	1,623,300
Shareholders' equity:
Common stock, $.05 par value; authorized 7,000,000 shares; issued 1,513,914, outstanding 1,494,112 shares at December 31, 2018 and June 30, 2018	75,700	75,700
Additional paid-in capital	2,564,100	2,545,900
Accumulated other comprehensive gain (loss)	(19,800)	1,200
Retained earnings	3,339,500	3,131,800
Total	5,959,500	5,754,600
Less common stock held in treasury at cost, 19,802 shares	52,400	52,400
Total shareholders' equity	5,907,100	5,702,200
Total liabilities and shareholders' equity	$ 7,558,700	$ 7,325,500