Balance Sheets - USD ($)	Sep. 30, 2020	Jun. 30, 2020
ASSETS:
Cash and cash equivalents	$ 9,070,570	$ 5,402,122
Investment securities	2,828,857	5,141,520
Trade accounts receivable, net of allowance of $3,000	6,375,993	9,013,405
Income tax receivable	19,099
Inventories:
Raw materials	2,040,521	2,057,778
Work-in-process	278,422	614,521
Costs related to contracts in process	13,631,804	12,115,756
Total inventories	15,950,747	14,788,055
Prepaid expenses and other current assets	648,330	396,886
Total current assets	34,893,596	34,741,988
Property, plant and equipment, net	3,350,037	3,466,778
Total assets	38,243,633	38,208,766
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	2,671,522	2,861,696
Accrued expenses:
Salaries and wages	484,912	469,201
Vacation	677,547	689,834
Dividends	600,658
Other	160,781	318,322
Payroll and other taxes withheld	323,525	186,970
Contract liabilities	2,247,848	2,175,235
Income taxes payable		47,707
Total current liabilities	7,166,793	6,748,965
Deferred tax liabilities	215,333	232,953
Total liabilities	7,382,126	6,981,918
Commitments and contingencies (see Note 5)
Common stock, par value $.33-1/3 per share Authorized 10,000,000 shares; Issued 3,029,874 shares as of September 30, 2020 and June 30, 2020. Outstanding 2,402,633 as of September 30, 2020 and June 30, 2020	1,009,958	1,009,958
Capital in excess of par value	19,120,380	19,073,213
Accumulated other comprehensive loss	(4,781)	(3,107)
Retained earnings	18,386,755	18,797,589
Total stockholders equity before ESOP	38,512,312	38,877,653
Less: Cost of 627,241 shares of common stock in treasury as of September 30, 2020 and June 30, 2020	(7,650,805)	(7,650,805)
Total stockholders' equity	30,861,507	31,226,848
Total liabilities and stockholders' equity	$ 38,243,633	$ 38,208,766