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Note 9 - Debt - Long-term Debt Outstanding (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Long-term Debt, Gross $ 10,569 $ 23,482
Less: unamortized debt issuance costs (116) (163)
Total long-term debt, net of unamortized loan fees 10,453 23,319
Current portion of long-term debt (988) (13,155)
Long-term debt, net of current portion 9,465 10,164
Line of Credit [Member]    
Long-term Debt, Gross 2,550 8,150
Bridge Loan [Member]    
Long-term Debt, Gross [1] 2,835
The 2010 Term Loan [Member]    
Long-term Debt, Gross 3,762
The 2015 6-year Term Loan [Member]    
Long-term Debt, Gross 3,281 3,792
The 2015 20-Year Term Loan [Member]    
Long-term Debt, Gross 4,738 4,936
BOH [Member]    
Long-term Debt, Gross $ 7
[1] Maturity date for the 2015 Bridge Loan may be earlier than July 15, 2017. See description of the 2015 Bridge Loan below.