Note 8 - Subsequent Events (Details) (Subsequent Event, USD $)	6 Months Ended
	Jun. 30, 2013
Letters of Credit Outstanding, Amount	$ 826,000
Cambria Capital LLC
Class of Warrant or Right, Outstanding	400,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.60
Share Price	$ 4.00
Stock Issued During Period, Shares, Issued for Noncash Consideration	340,000