Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2023	Jun. 30, 2022
ASSETS
Cash and cash equivalents	$ 4,578,846	$ 8,104,060
Investment securities	13,879,337	3,708,779
Trade accounts receivable, net of allowance of $3,000	4,330,385	5,733,174
Inventories:
Raw materials	1,964,258	2,037,483
Work-in-process	262,875	315,547
Costs related to contracts in process	16,461,404	16,207,419
Total inventories	18,688,537	18,560,449
Prepaid expenses and other current assets	2,475,723	992,774
Total current assets	43,952,828	37,099,236
Property, plant and equipment, net	2,612,561	2,797,993
Total assets	46,565,389	39,897,229
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	2,898,852	2,079,177
Accrued expenses:
Salaries and wages	542,180	627,187
Vacation	751,888	666,380
ESOP payable	230,403
Other	276,362	752,554
Payroll and other taxes withheld	57,248	55,292
Contract liabilities	6,566,188	3,384,474
Income taxes payable	292,742	54,722
Total current liabilities	11,615,863	7,619,786
Deferred tax liabilities	146,644	177,829
Total liabilities	11,762,507	7,797,615
Commitments and contingencies (See Note 5)
Common stock, par value $.33-1/3 per share Authorized 10,000,000 shares; Issued 3,129,874 shares as of March 31, 2023 and June 30, 2022. Outstanding 2,702,633 shares as of March 31, 2023 and June 30, 2022 (includes 239,427 and 256,293 Unearned ESOP shares, respectively)	1,043,291	1,043,291
Capital in excess of par value	23,269,445	23,104,693
Accumulated other comprehensive loss	(377)	(1,932)
Retained earnings	21,216,818	18,679,857
Total stockholders equity before ESOP	45,529,177	42,825,909
Less: Unearned ESOP shares	(4,687,604)	(4,687,604)
Cost of 427,241 shares of common stock in treasury as of March 31, 2023 and June 30, 2022	(6,038,691)	(6,038,691)
Total stockholders’ equity	34,802,882	32,099,614
Total liabilities and stockholders' equity	$ 46,565,389	$ 39,897,229