Balance Sheets - USD ($)	Sep. 30, 2021	Jun. 30, 2021
ASSETS:
Cash and cash equivalents	$ 8,298,714	$ 6,802,712
Investment securities	3,138,000	3,092,000
Trade accounts receivable, net of allowance of $3,000	4,281,665	5,353,781
Income tax receivable	159,935	249,602
Inventories:
Raw materials	2,058,415	2,111,058
Work-in-process	274,989	326,198
Costs related to contracts in process	16,451,150	16,354,636
Total inventories	18,784,554	18,791,892
Prepaid expenses and other current assets	481,991	700,297
Total current assets	35,144,859	34,990,284
Property, plant and equipment, net	2,914,973	2,990,519
Total assets	38,059,832	37,980,803
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	2,164,254	2,718,173
Accrued expenses:
Salaries and wages	549,015	475,667
Vacation	651,934	672,611
ESOP payable	84,506
Other	206,906	126,014
Payroll and other taxes withheld	466,428	409,881
Contract liabilities	3,094,985	3,077,605
Total current liabilities	7,218,028	7,479,951
Deferred tax liabilities	150,672	168,557
Total liabilities	7,368,700	7,648,508
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 September 30, 2021 and June 30, 2021. Outstanding 2,702,633 shares as of September 30, 2021 and June 30, 2021 (includes 273,645 and 279,429 Unearned ESOP shares, respectively)	1,043,291	1,043,291
Capital in excess of par value	23,078,872	23,026,096
Accumulated other comprehensive loss	(2,361)	(2,361)
Retained earnings	17,720,791	17,414,730
Total stockholders equity before ESOP	41,840,593	41,481,756
Less: Unearned ESOP shares	(5,110,770)	(5,110,770)
Cost of 427,241 shares of common stock in treasury as of September 30, 2021 and June 30, 2021	(6,038,691)	(6,038,691)
Total stockholders' equity	30,691,132	30,332,295
Total liabilities and stockholders' equity	$ 38,059,832	$ 37,980,803