Balance Sheets - USD ($)	Mar. 31, 2018	Jun. 30, 2017
ASSETS:
Cash and cash equivalents	$ 6,906,752	$ 10,058,163
Investment securities	11,402,394	9,426,968
Trade accounts receivable, net of allowance of $3,000	3,595,441	3,399,613
Income tax receivable	148,102	120,179
Inventories:
Raw materials	1,419,002	1,303,259
Work-in-process	978,550	512,014
Costs related to contracts in process, net of advance payments of $577,714 and $1,366,504 at March 31, 2018 and June 30, 2017, respectively	7,903,603	7,863,538
Total inventories	10,301,155	9,678,811
Deferred tax assets		317,559
Prepaid expenses and other current assets	776,447	227,306
Total current assets	33,130,291	33,228,599
Property, plant and equipment, net	2,579,043	2,265,096
Deferred tax assets	78,489
Total assets	35,787,823	35,493,695
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	1,499,895	2,250,115
Accrued expenses:
Salaries and wages	391,213	172,045
Vacation	724,662	656,199
ESOP payable	245,752
Other	163,418	250,283
Payroll and other taxes withheld	58,429	46,939
Total current liabilities	3,083,369	3,375,581
Deferred tax liabilities		220,571
Total liabilities	3,083,369	3,596,152
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, 2018 and June 30, 2017. Outstanding 2,375,923 and 2,371,321 as of March 31, 2018 and June 30, 2017, respectively (includes 33,125 and 45,000 Unearned ESOP shares, respectively)	1,009,958	1,009,958
Capital in excess of par value	17,861,046	17,650,335
Accumulated other comprehensive loss	(6,592)	(3,599)
Retained earnings	22,301,533	21,670,196
Total stockholders equity before ESOP	41,165,945	40,326,890
Less: Unearned ESOP shares	(650,248)	(650,248)
Cost of 653,951 and 658,553 shares of common stock in treasury as of March 31, 2018 and June 30, 2017, respectively	(7,811,243)	(7,779,099)
Total stockholders' equity	32,704,454	31,897,543
Total liabilities and stockholders' equity	$ 35,787,823	$ 35,493,695