Balance Sheets - USD ($)	Mar. 31, 2017	Jun. 30, 2016
ASSETS:
Cash and cash equivalents	$ 9,386,048	$ 10,031,644
Investment securities	9,210,421	5,580,059
Trade accounts receivable, net of allowance of $3,000	3,374,256	4,957,464
Income tax receivable	230,753	329,298
Inventories:
Raw materials	1,361,409	1,418,862
Work-in-process	643,703	504,674
Costs related to contracts in process, net of advance payments of $16,692 and $18,313 at March 31, 2017 and June 30, 2016, respectively	6,837,320	8,810,145
Total inventories	8,842,432	10,733,681
Deferred tax assets	201,944	252,558
Prepaid expenses and other current assets	343,446	219,688
Total current assets	31,589,300	32,104,392
Property, plant and equipment, net	2,356,502	2,348,525
Total assets	33,945,802	34,452,917
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	635,502	552,787
Accrued expenses:
Salaries and wages	98,963	357,910
Vacation	721,635	704,761
ESOP payable	274,585
Other	156,611	196,631
Payroll and other taxes withheld	46,822	49,353
Total current liabilities	1,934,118	1,861,442
Deferred tax liabilities	201,959	203,237
Total liabilities	2,136,077	2,064,679
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 March 31, 2017 and June 30, 2016. Outstanding 2,371,321 and 2,364,684 as of March 31, 2017 and June 30, 2016, respectively (includes 49,167 and 61,667 Unearned ESOP shares, respectively)	1,009,958	1,009,958
Capital in excess of par value	17,437,877	17,253,072
Accumulated other comprehensive loss	(2,911)	(1,408)
Retained earnings	22,034,983	22,820,938
Total stockholders equity before ESOP	40,479,907	41,082,560
Less: Unearned ESOP shares	(891,083)	(891,083)
Cost of 658,553 and 665,190 shares of common stock in treasury as of March 31, 2017 and June 30, 2016, respectively	(7,779,099)	(7,803,239)
Total stockholders' equity	31,809,725	32,388,238
Total liabilities and stockholders' equity	$ 33,945,802	$ 34,452,917