Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash Flows from Operating Activities:
Net income	$ 2,169,836	$ 1,598,317
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	74,440	101,492
Depreciation	117,879	109,381
ESOP compensation expense	247,344	123,194
Deferred income tax (benefit) expense	(107,509)	43,792
Loss on disposal of property, plant and equipment	2,016
Changes in assets and liabilities:
Decrease (increase) in trade accounts receivable	1,241,032	(383,333)
Increase in inventories	(3,221,724)	(191,658)
(Increase) decrease in prepaid expenses and other current assets	(157,286)	238,048
Increase in accounts payable	750,263	170,683
Decrease in accrued salaries and wages	(319,715)	(270,980)
(Decrease) increase in vacation accrual	(23,845)	15,102
Decrease in ESOP payable	(189,816)	(52,871)
(Decrease) increase in other accrued expenses	(184,821)	105,012
Increase in payroll and other taxes withheld	58,973	2,205
Increase (decrease) in contract liabilities	5,087,699	(327,812)
Increase in income taxes payable	175,324	108,542
Net cash provided by operating activities	5,720,090	1,389,114
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(1,290,569)	(664,351)
Proceeds from grant award	1,014,804
Purchase of investment securities	(6,691,671)	(7,258,418)
Proceeds from sale/maturity of investment securities	6,724,000	7,484,000
Net cash used in investing activities	(243,436)	(438,769)
Cash Flows from Financing Activities:
Dividends on common stock	(2,742,606)	(633,243)
Proceeds from exercise of stock options	623,534	144,826
Net cash used in financing activities	(2,119,072)	(488,417)
Increase in cash and cash equivalents	3,357,582	461,928
Cash and cash equivalents, beginning of period	18,862,645	4,351,970
Cash and cash equivalents, end of period	22,220,227	4,813,898
Supplemental Schedule of Cash Flow Information:
Income taxes paid, net of refunds	$ 320,813	$ 250,000