Balance Sheets - USD ($)	Dec. 31, 2018	Jun. 30, 2018
ASSETS:
Cash and cash equivalents	$ 3,311,856	$ 4,298,796
Investment securities	5,788,145	11,520,706
Trade accounts receivable, net of allowance of $3,000	5,647,871	4,377,726
Income tax receivable	278,056	161,975
Inventories:
Raw materials	1,687,775	1,562,581
Work-in-process	880,719	966,342
Costs related to contracts in process	13,166,474	8,880,003
Total inventories	15,734,968	11,408,926
Prepaid expenses and other current assets	170,389	1,292,575
Total current assets	30,931,285	33,060,704
Property, plant and equipment, net	3,857,384	3,758,637
Total assets	34,788,669	36,819,341
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	2,606,801	1,822,597
Accrued expenses:
Salaries and wages	493,711	529,005
Vacation	715,691	707,612
ESOP payable	160,060
Other	152,871	104,663
Payroll and other taxes withheld	54,807	53,435
Contract liabilities	6,054	102,924
Total current liabilities	4,189,995	3,320,236
Deferred tax liabilities	108,314	17,693
Total liabilities	4,298,309	3,337,929
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, 2018 and June 30, 2018. Outstanding 2,396,323 and 2,387,124 as of December 31, 2018 and June 30, 2018, respectively (includes 21,666 and 29,166 Unearned ESOP shares, respectively)	1,009,958	1,009,958
Capital in excess of par value	18,403,798	18,201,691
Accumulated other comprehensive loss	(4,095)	(6,349)
Retained earnings	19,145,095	22,416,400
Total stockholders equity before ESOP	38,554,756	41,621,700
Less: Unearned ESOP shares	(421,453)	(421,453)
Cost of 633,551 and 642,750 shares of common stock in treasury as of December 31, 2018 and June 30, 2018, respectively	(7,642,943)	(7,718,835)
Total stockholders' equity	30,490,360	33,481,412
Total liabilities and stockholders' equity	$ 34,788,669	$ 36,819,341