CONDENSED BALANCE SHEETS (USD $)	Mar. 31, 2013	Jun. 30, 2012
ASSETS
Cash and cash equivalents	$ 394,304	$ 328,313
Accounts receivable	1,036,199	1,244,462
Inventories	1,169,983	781,037
Contract costs and related estimated profits in excess of billings	908,149	927,078
Prepaid expenses and other current assets	77,718	69,502
TOTAL CURRENT ASSETS	3,586,353	3,350,392
PLANT, PROPERTY AND EQUIPMENT:
Land and improvements	651,015	651,015
Building and improvements	1,948,165	1,948,165
Machinery and equipment	3,260,039	3,248,760
Furniture and fixtures	263,030	263,030
Property, Plant And Equipment, gross	6,122,249	6,110,970
Less accumulated depreciation	5,238,038	5,191,705
Property, Plant And Equipment, net	884,211	919,265
DEFERRED COSTS	65,095	65,095
TOTAL ASSETS	4,535,659	4,334,752
LIABILITIES AND STOCKHOLDERS' EQUITY:
Notes payable - Current portion	364,822	289,822
Trade accounts payable	87,571	407,994
Accrued expenses and other liabilities	167,415	216,491
Accrued compensation and benefits payable	233,723	220,575
Accrued pension costs	128,357	65,792
TOTAL CURRENT LIABILITIES	981,888	1,200,674
LONG-TERM PORTION OF NOTE PAYABLE	6,102	17,292
LONG-TERM PENSION LIABILITY	915,282	1,013,706
TOTAL LIABILITIES	1,903,272	2,231,672
STOCKHOLDERS' EQUITY:
Preferred stock, par value $1.00; authorized 250,000 shares, issued and outstanding - none
Common stock, par value $.01; authorized 3,000,000 shares; 1,693,397 shares issued and1,362,031 shares outstanding at March 31, 2013 and June 30, 2012	16,934	16,934
Additional paid-in capital	2,882,842	2,880,571
Retained earnings	976,158	547,546
Accumulated other comprehensive loss	(756,519)	(854,943)
Stockholders Equity before treasury stock	3,119,415	2,590,108
Less: Treasury stock 331,366 shares at cost	(487,028)	(487,028)
TOTAL STOCKHOLDERS' EQUITY	2,632,387	2,103,080
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 4,535,659	$ 4,334,752