Note 9 - Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		1 Months Ended
	Dec. 31, 2013	Dec. 31, 2011	Jan. 31, 2014 Subsequent Event	Dec. 31, 2013 Other Assets	Dec. 31, 2012 Other Assets	Dec. 31, 2013 Expires 2014	Dec. 31, 2013 Expires 2015
Letters of Credit Outstanding, Amount	$ 1,110					$ 1,020	$ 90
Restricted Cash and Cash Equivalents				90	442
Compensation paid for substation	231
Reduction in buy back option		152
Value of the substation	362
Additional compensation from increase in value of substation	131
Proceeds from Legal Settlements			$ 22