Note 7 - Commitments and Contingencies (Detail) - Minimum Rental Commitment for Long-term Non-cancelable Leases (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
2013, remaining	$ 461
2014	592
2015	575
2016	575
2017	567
2018	563
Thereafter	4,060
Total	7,393
Operating Lease Expense, Other Expense [Member]
2013, remaining	39
2014	29
2015	12
2016	12
2017	4
Total	96
Principal Owner [Member]
2013, remaining	422
2014	563
2015	563
2016	563
2017	563
2018	563
Thereafter	4,060
Total	$ 7,297