Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2011	Sep. 30, 2010
CURRENT ASSETS
Cash and cash equivalents	$ 5,628,156	$ 8,789,967
Marketable securities	2,035,593	5,358,537
Accounts receivable, net	7,771,356	10,021,342
Inventories:
Parts, components, and materials	3,969,656	3,706,372
Work-in-process	2,032,176	2,416,690
Finished products	5,392,699	4,957,865
Inventory net	11,394,531	11,080,927
Recoverable income taxes	92,811	146,161
Deferred income taxes	0	760,313
Prepaid expenses and other current assets	624,939	508,937
TOTAL CURRENT ASSETS	27,547,386	36,666,184
Property, plant and equipment:
Land	1,179,155	1,182,485
Buildings and improvements	5,690,029	5,677,226
Machinery, equipment and vehicles	6,003,943	5,797,244
Property, plant and equipment	12,873,127	12,656,955
Less accumulated depreciation and amortization	8,532,990	8,033,178
Property, Plant and Equipment Net	4,340,137	4,623,777
Deferred income taxes	0	1,382,686
Other assets	1,303,753	1,253,784
TOTAL ASSETS	33,191,276	43,926,431
CURRENT LIABILITIES
Accounts payable	4,240,096	3,437,460
Accrued compensation and employee benefits	2,297,575	2,286,103
Accrued expenses	1,022,034	1,254,482
Unearned revenue	495,612	705,484
Income taxes payable	32,589	32,589
TOTAL CURRENT LIABILITIES	8,087,906	7,716,118
Unearned revenue	234,927	308,063
Other long-term liabilities	2,424,516	2,358,306
TOTAL LIABILITIES	10,747,349	10,382,487
SHAREHOLDERS’ EQUITY
Common stock, par value $.01	53,450	52,861
Capital in excess of par value	25,041,273	24,583,239
Retained earnings	1,641,720	13,101,666
Less treasury stock, at cost	(4,219,502)	(3,987,869)
Accumulated other comprehensive loss	(73,014)	(205,953)
TOTAL SHAREHOLDERS’ EQUITY	22,443,927	33,543,944
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 33,191,276	$ 43,926,431