CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Net sales:
Net sales	$ 47,547,000	$ 42,314,000	$ 89,223,000	$ 81,807,000
Cost of sales:
Cost of sales	22,535,000	27,960,000	41,798,000	52,887,000
Gross Profit	25,012,000	14,354,000	47,425,000	28,920,000
Operating expenses:
Research and development	2,542,000	2,222,000	4,979,000	4,650,000
Selling, general, and administrative expenses	8,665,000	7,804,000	17,086,000	16,294,000
Total Operating Expenses	11,207,000	10,026,000	22,065,000	20,944,000
Operating Income	13,805,000	4,328,000	25,360,000	7,976,000
Other income (expense):
Interest and other income (expense), net	729,000	187,000	1,169,000	84,000
Income before Provision for Income Taxes	14,534,000	4,515,000	26,529,000	8,060,000
Provision for Income Taxes	1,924,000	586,000	3,441,000	1,047,000
Net Income	$ 12,610,000	$ 3,929,000	$ 23,088,000	$ 7,013,000
Income per share:
Basic (in dollars per share)	$ 0.34	$ 0.11	$ 0.63	$ 0.19
Diluted (in dollars per share)	$ 0.34	$ 0.11	$ 0.62	$ 0.19
Weighted average number of shares outstanding:
Basic (in shares)	36,829,000	36,772,000	36,743,000	36,731,000
Diluted (in shares)	37,018,000	36,997,000	36,962,000	36,957,000
Equipment
Net sales:
Net sales	$ 29,007,000	$ 27,434,000	$ 53,398,000	$ 53,121,000
Cost of sales:
Cost of sales	20,656,000	26,295,000	38,153,000	49,561,000
Services
Net sales:
Net sales	18,540,000	14,880,000	35,825,000	28,686,000
Cost of sales:
Cost of sales	$ 1,879,000	$ 1,665,000	$ 3,645,000	$ 3,326,000