CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Net sales:
Net sales	$ 49,267,000	$ 43,532,000	$ 138,490,000	$ 125,339,000
Cost of sales:
Cost of sales	22,783,000	22,253,000	64,581,000	75,140,000
Gross Profit	26,484,000	21,279,000	73,909,000	50,199,000
Operating expenses:
Research and development	2,757,000	2,314,000	7,736,000	6,964,000
Selling, general, and administrative expenses	9,233,000	8,425,000	26,319,000	24,719,000
Total Operating Expenses	11,990,000	10,739,000	34,055,000	31,683,000
Operating Income	14,494,000	10,540,000	39,854,000	18,516,000
Other income:
Interest and other income, net	637,000	437,000	1,806,000	521,000
Income before Provision for Income Taxes	15,131,000	10,977,000	41,660,000	19,037,000
Provision for Income Taxes	1,935,000	1,428,000	5,376,000	2,475,000
Net Income	$ 13,196,000	$ 9,549,000	$ 36,284,000	$ 16,562,000
Income per share:
Basic (in dollars per share)	$ 0.36	$ 0.26	$ 0.99	$ 0.45
Diluted (in dollars per share)	$ 0.36	$ 0.26	$ 0.98	$ 0.45
Weighted average number of shares outstanding:
Basic (in shares)	36,835,000	36,793,000	36,792,000	36,736,000
Diluted (in shares)	37,118,000	37,082,000	37,032,000	36,983,000
Equipment
Net sales:
Net sales	$ 29,735,000	$ 28,390,000	$ 83,133,000	$ 81,511,000
Cost of sales:
Cost of sales	21,179,000	20,780,000	59,332,000	70,341,000
Services
Net sales:
Net sales	19,532,000	15,142,000	55,357,000	43,828,000
Cost of sales:
Cost of sales	$ 1,604,000	$ 1,473,000	$ 5,249,000	$ 4,799,000