Condensed Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Sep. 30, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 6,194,164	$ 6,234,268
Marketable securities	2,415,772	405,169
Accounts receivable, net	6,864,933	9,553,385
Inventories:
Parts, components, and materials	3,350,757	3,773,356
Work-in-process	1,429,084	1,396,268
Finished products	4,021,110	4,133,649
Inventory net	8,800,951	9,303,273
Recoverable income taxes	92,811	92,811
Prepaid expenses and other current assets	756,847	529,070
TOTAL CURRENT ASSETS	25,125,478	26,117,976
Property, plant and equipment	13,253,771	13,181,797
Less accumulated depreciation and amortization	(9,273,426)	(9,139,622)
Property, Plant and Equipment Net	3,980,345	4,042,175
Other assets	1,094,878	1,174,598
TOTAL ASSETS	30,200,701	31,334,749
CURRENT LIABILITIES
Accounts payable	3,389,020	3,403,378
Accrued compensation and employee benefits	1,890,919	2,505,744
Accrued expenses	995,403	1,201,339
Unearned revenue	432,955	443,708
TOTAL CURRENT LIABILITIES	6,708,297	7,554,169
Unearned revenue	143,450	161,028
Other long-term liabilities	2,402,167	2,431,742
TOTAL LIABILITIES	9,253,914	10,146,939
SHAREHOLDERS’ EQUITY
Common stock, par value $.01	53,509	53,509
Capital in excess of par value	25,365,446	25,343,712
Retained earnings	(215,482)	261,375
Less treasury stock, at cost	(4,226,852)	(4,300,952)
Accumulated other comprehensive loss	(29,834)	(169,834)
TOTAL SHAREHOLDERS’ EQUITY	20,946,787	21,187,810
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 30,200,701	$ 31,334,749