Note 10 - Commitments and Contingencies (Details) (USD $)	9 Months Ended
	Sep. 30, 2013
Note 10 - Commitments and Contingencies (Details) [Line Items]
Operating Leases, Future Minimum Payments Due	$ 549,000
Building Construction And Acquisition [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	6,300,000
Building Construction And Acquisition [Member]
Note 10 - Commitments and Contingencies (Details) [Line Items]
Long-term Purchase Commitment, Amount	$ 1,500,000