Note 3 - Supplemental Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2012 One Year [Member]
Note 3 - Supplemental Balance Sheet Information (Details) [Line Items]
Unbilled Receivables, Current		$ 600
Unbilled Retainage and Fees	600
Other Unbilled Receivable		$ 1,500
Billing Period			1 year