Consolidated Statements of Income and Comprehensive Income (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Sales:
Net new sales income	$ 20,743,264	$ 25,467,734	$ 32,108,559
Net refurbished sales income	9,814,763	7,430,603	9,444,802
Net service income	4,658,376	5,181,193	5,752,769
Total net sales	35,216,403	38,079,530	47,306,130
Cost of sales	24,854,960	26,528,682	32,850,524
Gross profit	10,361,443	11,550,848	14,455,606
Operating, selling, general and administrative expenses	7,231,097	6,625,907	6,901,946
Income from operations	3,130,346	4,924,941	7,553,660
Interest expense	1,113,854	696,634	801,211
Income before income taxes	2,016,492	4,228,307	6,752,449
Provision for income taxes	766,000	1,692,000	2,566,000
Net income attributable to common shareholders	1,250,492	2,536,307	4,186,449
Other comprehensive loss:
Unrealized gain (loss) on interest rate swap, net of $370,000, $106,000 and $(72,000) tax provision (benefit), respectively	587,258	189,425	(130,998)
Comprehensive income	$ 1,837,750	$ 2,725,732	$ 4,055,451
Earnings per share:
Basic (in Dollars per share)	$ 0.12	$ 0.25	$ 0.41
Diluted (in Dollars per share)	$ 0.12	$ 0.25	$ 0.41
Shares used in per share calculation:
Basic (in Shares)	10,196,241	10,175,213	10,132,658
Diluted (in Shares)	10,197,496	10,178,763	10,136,610