CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Net sales:
Revenues	$ 35,905,000	$ 28,228,000	$ 100,364,000	$ 78,606,000
Cost of sales:
Cost of sales	20,872,000	15,318,000	60,432,000	43,601,000
Gross Profit	15,033,000	12,910,000	39,932,000	35,005,000
Operating expenses:
Research and development	2,009,000	1,902,000	5,918,000	5,675,000
Selling, general, and administrative expenses	8,442,000	5,980,000	23,983,000	17,979,000
Total Operating Expenses			29,901,000	23,654,000
Operating Income	4,582,000	5,028,000	10,031,000	11,351,000
Other income (expense):
Interest and other income (expense), net	(177,000)	(44,000)	(102,000)	(53,000)
Income before Provision for Income Taxes	4,405,000	4,984,000	13,833,000	11,298,000
Provision for Income Taxes	1,132,000	624,000	1,771,000	1,422,000
Net Income	$ 3,273,000	$ 4,360,000	$ 12,062,000	$ 9,876,000
Income per share:
Basic (in dollars per share)	$ 0.09	$ 0.12	$ 0.33	$ 0.27
Diluted (in dollars per share)	$ 0.09	$ 0.12	$ 0.33	$ 0.27
Weighted average number of shares outstanding:
Basic (in shares)	36,743,000	36,697,000	36,723,000	36,696,000
Diluted (in shares)	36,879,000	36,823,000	36,873,000	36,804,000
Equipment
Net sales:
Revenues	$ 23,873,000	$ 19,335,000	$ 67,080,000	$ 54,249,000
Cost of sales:
Cost of sales	19,334,000	14,074,000	56,077,000	39,980,000
Services
Net sales:
Revenues	12,032,000	8,893,000	33,284,000	24,357,000
Cost of sales:
Cost of sales	$ 1,538,000	$ 1,244,000	$ 4,355,000	$ 3,621,000