Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities:
Net income	$ 327,262	$ 8,817
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	94,567	80,874
Depreciation	253,846	271,341
ESOP compensation expense	168,318	56,274
Deferred income tax benefit	(33,908)	(35,524)
Changes in assets and liabilities:
Decrease in trade accounts receivable	465,382	4,805,803
Increase in income taxes receivable	(3,041)	(86,274)
Increase in ESOP receivable due to dividends on unallocated shares		(18,726)
Increase in inventories	(537,319)	(1,706,735)
Increase in prepaid expenses and other current assets	(108,560)	(109,615)
(Decrease) increase in accounts payable	(132,999)	392,287
Increase (decrease) in accrued salaries and wages	173,422	(125,060)
Decrease in vacation accrual	(16,319)	(23,674)
Decrease in ESOP Payable		(56,274)
Decrease in other accrued expenses	(68,977)	(228,136)
(Decrease) increase in payroll and other taxes withheld	(130,957)	276,315
Decrease in contract liabilities	(172,859)	(524,947)
Decrease in income taxes payable		(47,707)
Net cash provided by operating activities	277,858	2,929,039
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(97,288)	(29,173)
Purchase of investment securities	(2,061,000)	(2,391,686)
Proceeds from sale/maturity of investment securities	2,096,000	4,331,407
Net cash (used in) provided by investing activities	(62,288)	1,910,548
Cash Flows from Financing Activities:
Dividends on common stock		(1,201,316)
Net cash used in financing activities		(1,201,316)
Increase in cash and cash equivalents	215,570	3,638,271
Cash and cash equivalents, beginning of period	6,802,712	5,402,122
Cash and cash equivalents, end of period	7,018,282	9,040,393
Supplemental Schedule of Cash Flow Information:
Income taxes paid	$ 120,000	$ 175,250