Note 13 - Related Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended		9 Months Ended
	Feb. 27, 2012 Payment [Member] Communal [Member]	Sep. 30, 2013 Payment [Member] Communal [Member]	Jan. 31, 2013 Additional Commited Payment [Member] Communal [Member]	Sep. 30, 2013 5 Elements Efficienties (BVI) Ltd [Member]	Aug. 11, 2011 Chief Financial Officer [Member]	Sep. 30, 2013 Communal [Member]
Note 13 - Related Party Transactions (Details) [Line Items]
Letters of Credit Outstanding, Amount					$ 250
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest				50.00%
Related Party Transaction, Amounts of Transaction	523	262	425
Related Party Transaction, Expenses from Transactions with Related Party						$ 169