Note 17 - Operating Risk and Geographical Information (Details) - Net Sales by Geographic Location (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Note 17 - Operating Risk and Geographical Information (Details) - Net Sales by Geographic Location [Line Items]
Net Sales	$ 42,629	[1]	$ 99,956	[1]
UNITED STATES
Note 17 - Operating Risk and Geographical Information (Details) - Net Sales by Geographic Location [Line Items]
Net Sales	25,347	[1]	56,366	[1]
GREECE
Note 17 - Operating Risk and Geographical Information (Details) - Net Sales by Geographic Location [Line Items]
Net Sales	13,854	[1]	8,251	[1]
ITALY
Note 17 - Operating Risk and Geographical Information (Details) - Net Sales by Geographic Location [Line Items]
Net Sales	3,428	[1]	35,101	[1]
CHINA
Note 17 - Operating Risk and Geographical Information (Details) - Net Sales by Geographic Location [Line Items]
Net Sales		[1]	$ 238	[1]

[1] Sales are attributed to countries based on location of customer.