Consolidated Statements of Income and Comprehensive Income (USD $)	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
Sales:
Net new sales income	$ 25,467,734	$ 32,108,559	$ 27,053,746
Net refurbished sales income	7,430,603	9,444,802	9,704,744
Net service income	5,181,193	5,752,769	5,485,102
Total net sales	38,079,530	47,306,130	42,243,592
Cost of sales	26,528,682	32,850,524	29,315,645
Gross profit	11,550,848	14,455,606	12,927,947
Operating, selling, general and administrative expenses	6,625,907	6,901,946	7,159,604
Income from operations	4,924,941	7,553,660	5,768,343
Interest expense	696,634	801,211	936,339
Income before income taxes	4,228,307	6,752,449	4,832,004
Provision for income taxes	1,692,000	2,566,000	1,813,000
Net income attributable to common shareholders	2,536,307	4,186,449	3,019,004
Other comprehensive loss:
Unrealized gain (loss) on interest rate swap, net of $106,000, $(72,000) and $(292,000) tax provision (benefit), respectively	189,425	(130,998)	(457,741)
Comprehensive income	$ 2,725,732	$ 4,055,451	$ 2,561,263
Earnings per share:
Basic (in Dollars per share)	$ 0.25	$ 0.41	$ 0.30
Diluted (in Dollars per share)	$ 0.25	$ 0.41	$ 0.30
Shares used in per share calculation:
Basic (in Shares)	10,175,213	10,132,658	10,162,122
Diluted (in Shares)	10,178,763	10,136,610	10,164,216