Note 10 - Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended		3 Months Ended			5 Months Ended
	May 25, 2012	Apr. 21, 2011	Dec. 31, 2011	Sep. 26, 2010	Apr. 21, 2011	Jun. 01, 2011	Jun. 30, 2013	Sep. 30, 2005
Note 10 - Commitments and Contingencies (Details) [Line Items]
Unrecorded Unconditional Purchase Obligation							$ 461
Loss Contingency, Estimate of Possible Loss								1,400
Litigation Settlement, Amount	125	2,730				2,700
Loss Contingency, Loss in Period					2,730
Contingency Settlement Interest Rate						2.625%
Loss Contingency, Damages Sought, Value			60,000	1,100
June 8, 2011 [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Contingency Settlement Principal Payment Due						1,000
December 1, 2011 [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Contingency Settlement Principal Payment Due						567
June 1, 2012 [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Contingency Settlement Principal Payment Due						567
December 1, 2012 [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Contingency Settlement Principal Payment Due						566
Community Development Block Grant [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Received To Date Under Grant			480
Mississippi Rural Impact Fund Grant [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Received To Date Under Grant			$ 150