Note 7 - Commitments and Contingencies (Details) (USD $)	0 Months Ended
	Sep. 12, 2012	Jun. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Long-Term Purchase Commitment, Estimated Delivery Period	14 months
Long-term Purchase Commitment, Amount	$ 3,222,000
Long-Term Purchase Commitment, Amount Payable		645,000
Long-Term Purchase Commitment, Amount Classified In Construction In Progress		$ 2,577,000