XML 19 R29.htm IDEA: XBRL DOCUMENT v3.2.0.727
Note 7 - Debt (Details Textual) - H S B C Bank [Member] - USD ($)
1 Months Ended 6 Months Ended
Mar. 31, 2012
Jun. 30, 2015
Dec. 31, 2014
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate   1.75%  
Revolving Credit Facility [Member] | Prime Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate   0.50%  
Revolving Credit Facility [Member]      
Line of Credit Facility, Remaining Borrowing Capacity   $ 7,000,000 $ 7,000,000
Line of Credit Facility, Maximum Borrowing Capacity   $ 7,000,000  
Five Year Term Loan [Member]      
Debt Instrument, Term   5 years  
Debt Instrument, Face Amount   $ 2,100,000  
Debt Instrument, Periodic Payment   35,000  
Loans Payable to Bank   $ 490,000 $ 700,000
Debt Instrument, Interest Rate, Stated Percentage   3.045%  
Debt Instrument, Collateral Amount   $ 1,000,000  
Debt Instrument Collateral Release Amount   200,000  
Restricted Cash and Cash Equivalents   400,000  
H S B C Bank Mortgage Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.75%    
H S B C Bank Mortgage Loan [Member]      
Debt Instrument, Face Amount $ 6,000,000    
Debt Instrument, Periodic Payment   $ 25,000  
Debt Instrument, Interest Rate, Effective Percentage   1.9355% 1.9108%
Long-term Debt   $ 3,716,000