Balance Sheets - USD ($)	Jun. 30, 2016	Jun. 30, 2015
ASSETS
Cash and cash equivalents	$ 10,031,644	$ 8,859,405
Investment securities	5,580,059	4,159,057
Trade accounts receivable, net of allowance of $3,000	4,957,464	6,694,401
Income tax receivable	329,298
Inventories:
Raw materials	1,418,862	1,481,792
Work-in-process	504,674	561,682
Costs related to contracts in process, net of advance payments of $18,313 and $19,626 as of June 30, 2016 and 2015, respectively	8,810,145	9,542,423
Total inventories	10,733,681	11,585,897
Deferred tax assets	252,558	334,681
Prepaid expenses and other current assets	219,688	211,940
Total current assets	32,104,392	31,845,381
Property, plant and equipment, net	2,348,525	2,498,863
Total assets	34,452,917	34,344,244
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	552,787	976,112
Accrued expenses:
Salaries and wages	357,910	332,387
Vacation	704,761	690,833
Dividends payable		590,672
Other	196,631	548,817
Payroll and other taxes withheld	49,353	47,082
Income taxes payable		2,716
Total current liabilities	1,861,442	3,188,619
Deferred tax liabilities	203,237	224,751
Total liabilities	2,064,679	3,413,370
Commitments and Contingencies (See Note 14)
Common stock, par value $.33-1/3 per share Authorized 10,000,000 shares; Issued 3,029,874 shares as of June 30, 2016 and 2015. Outstanding 2,364,684 and 2,362,687 as of June 30, 2016 and 2015, respectively (includes 61,667 and 79,167 Unearned ESOP Shares, respectively)	1,009,958	1,009,958
Capital in excess of par value	17,253,072	16,785,604
Accumulated other comprehensive loss	(1,408)	(4,386)
Retained earnings	22,820,938	21,865,951
Total stockholders equity before ESOP and treasury stock	41,082,560	39,657,127
Less: Unearned ESOP shares	(891,083)	(1,143,957)
Cost of 665,190 and 667,187 shares of common stock in treasury as of June 30, 2016 and 2015, respectively	(7,803,239)	(7,582,296)
Total stockholders' equity	32,388,238	30,930,874
Total liabilities and stockholders' equity	$ 34,452,917	$ 34,344,244