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Note 9 - Prepayments and Other (Details) - Prepayments and Other (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Prepayments and Other [Abstract]0      
Prepaid expenses $ 80 $ 54 $ 77
Other receivables 544 464 1,012
Total $ 624 $ 518 $ 1,089