Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash Flows from Operating Activities:
Net income	$ 7,839,607	$ 5,211,303
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	177,716	286,256
Depreciation	379,009	334,732
ESOP compensation expense	748,336	435,298
Deferred income tax benefit	(333,084)	(28,780)
Loss on disposal of property, plant and equipment	2,009
Changes in assets and liabilities:
Decrease in trade accounts receivable	1,304,580	228,313
(Increase) decrease in inventories	(8,738,019)	2,655,946
(Increase) in prepaid expenses and other current assets	(5,655,436)	(1,713,788)
Increase (decrease) in accounts payable	454,698	(1,675,574)
Increase (decrease) in accrued salaries and wages	239,942	(77,468)
(Decrease) increase in vacation accrual	(4,727)	82,579
(Decrease) in ESOP payable	(284,725)	(158,615)
(Decrease) increase in other accrued expenses	(247,079)	601,763
(Decrease) increase in payroll and other taxes withheld	(92,552)	6,495
Increase in contract liabilities	10,606,904	11,974,888
(Decrease) increase in income taxes payable	(100,105)	56,423
Net cash provided by operating activities	6,297,074	18,219,771
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(2,800,998)	(2,509,088)
Proceeds from grant award	2,029,608
Proceeds from sale of property, plant and equipment	5,500
Purchase of investment securities	(26,975,520)	(26,616,220)
Proceeds from sale/maturity of investment securities	26,192,000	20,860,000
Net cash used in investing activities	(1,549,410)	(8,265,308)
Cash Flows from Financing Activities:
Dividends on common stock	(4,128,673)	(1,928,756)
Proceeds from exercise of stock options	1,677,973	1,481,785
Net cash used in financing activities	(2,450,700)	(446,971)
Increase in cash and cash equivalents	2,296,964	9,507,492
Cash and cash equivalents, beginning of period	18,862,645	4,351,970
Cash and cash equivalents, end of period	21,159,609	13,859,462
Supplemental Schedule of Cash Flow Information:
Income taxes paid, net of refunds	$ 2,058,294	$ 1,139,015