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Note 9 - Debt - Long-Term Debt Oustanding (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Line of Credit [Member]    
Long-Term Debt $ 7,000,000 $ 5,000,000
Bridge Loan [Member]    
Long-Term Debt [1] 2,835,000 2,835,000
The 2010 Term Loan [Member]    
Long-Term Debt 3,938,000 4,725,000
The 2015 6-year Term Loan [Member]    
Long-Term Debt 3,937,000 4,594,000
The 2015 20-Year Term Loan [Member]    
Long-Term Debt 4,936,000 5,133,000
BOH [Member]    
Long-Term Debt 9,000 20,000
Long-Term Debt 22,655,000 22,307,000
Less: unamortized debt issuance costs (168,000) (199,000)
Total long-term debt, net of unamortized loan fees 22,487,000 22,108,000
Current portion of long-term debt (12,008,000) (2,166,000)
Long-term debt, net $ 10,479,000 $ 19,942,000
[1] Maturity date for the 2015 Bridge Loan may be earlier than 2017. See description of the 2015 Bridge Loan below.