Note 9 - Fair Value Measurement of Instruments (Detail) - The fair value of warrants and restricted shares: (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended		12 Months Ended
	Sep. 30, 2012 Warrants --December 2006 Issuance [Member]	Sep. 30, 2012 Restricted Shares [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2012 Restricted Shares [Member]	Dec. 31, 2012 Interest Rate Swap [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2012 Interest Rate Swap [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2012 Interest Rate Swap [Member]	Sep. 30, 2012 Interest Rate Swap [Member]
Wtd. Avg Fair Value Per Share (in Dollars per share)			$ 7.33
Shares Issuable Upon Exercise (in Shares)	827,789		15,000
Fair Value Measurement		$ 110	$ 110	$ 358	$ 384	$ 358	$ 384
Total		$ 110	$ 110	$ 358	$ 384	$ 358	$ 384