Balance Sheets - USD ($)	Dec. 31, 2019	Jun. 30, 2019
ASSETS:
Cash and cash equivalents	$ 6,110,846	$ 1,462,761
Investment securities	5,667,851	5,684,240
Trade accounts receivable, net of allowance of $3,000	4,421,611	10,995,783
Income tax receivable	43,903
Inventories:
Raw materials	2,006,733	1,747,449
Work-in-process	680,322	408,130
Costs related to contracts in process	12,901,196	11,069,558
Total inventories	15,588,251	13,225,137
Prepaid expenses and other current assets	1,006,848	494,181
Total current assets	32,839,310	31,862,102
Property, plant and equipment, net	3,716,688	3,825,411
Total assets	36,555,998	35,687,513
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	1,913,449	2,160,433
Accrued expenses:
Salaries and wages	384,139	329,890
Vacation	714,709	786,870
ESOP payable	158,736
Other	185,756	109,755
Payroll and other taxes withheld	510	61,451
Contract liabilities	1,803,340	6,054
Income taxes payable		30,481
Total current liabilities	5,160,639	3,484,934
Deferred tax liabilities	258,472	277,075
Total liabilities	5,419,111	3,762,009
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 December 31, 2019 and June 30, 2019. Outstanding 2,401,033 and 2,401,213 as of December 31, 2019 and June 30, 2019, respectively (includes 7,083 and 14,166 Unearned ESOP shares, respectively)	1,009,958	1,009,958
Capital in excess of par value	18,858,202	18,731,975
Accumulated other comprehensive loss	(1,457)	(1,299)
Retained earnings	19,138,895	20,022,132
Total stockholders equity before ESOP	39,005,598	39,762,766
Less: Unearned ESOP shares	(204,706)	(204,706)
Cost of 628,841 and 628,661 shares of common stock in treasury as of December 31, 2019 and June 30, 2019, respectively	(7,664,005)	(7,632,556)
Total stockholders' equity	31,136,887	31,925,504
Total liabilities and stockholders' equity	$ 36,555,998	$ 35,687,513