CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Net sales:
Equipment revenues	$ 20,045,000	$ 20,685,000	$ 40,966,000	$ 40,275,000
Services	5,784,000	4,144,000	11,148,000	7,930,000
Total Revenues	25,829,000	24,829,000	52,114,000	48,205,000
Cost of sales:
Equipment related expenses	12,602,000	13,203,000	26,240,000	26,210,000
Service related expenses	1,100,000	955,000	2,229,000	1,765,000
Cost of sales	13,702,000	14,158,000	28,469,000	27,975,000
Gross Profit	12,127,000	10,671,000	23,645,000	20,230,000
Research and development	1,823,000	1,762,000	3,572,000	3,507,000
Selling, general, and administrative expenses	6,310,000	5,615,000	12,470,000	11,670,000
Operating Income	3,994,000	3,294,000	7,603,000	5,053,000
Other (income) expense:
Interest (income) expense, net	(9,000)	6,000	(2,000)	13,000
Income before Provision for Income Taxes	4,003,000	3,288,000	7,605,000	5,040,000
Provision for Income Taxes	431,000	419,000	800,000	667,000
Net Income	$ 3,572,000	$ 2,869,000	$ 6,805,000	$ 4,373,000
Income per share:
Basic (in dollars per share)	$ 0.19	$ 0.15	$ 0.37	$ 0.23
Diluted (in dollars per share)	$ 0.19	$ 0.15	$ 0.37	$ 0.23
Weighted average number of shares outstanding:
Basic (per share)	18,478,000	18,603,000	18,478,000	18,665,000
Diluted (per share)	18,538,000	18,649,000	18,537,000	18,713,000