Note 9 - Net Investment and Other Income (Expense) and Interest Expense
 12 Months Ended
Dec. 31, 2014
Other Income and Expenses [Abstract]  
Other Income and Other Expense Disclosure [Text Block]

9.      NET INVESTMENT AND OTHER INCOME (EXPENSE) AND INTEREST EXPENSE


Net investment and other income (expense) include the following components for the periods indicated:


   

Years Ended December 31,

 
   

2014

   

2013

   

2012

 
   

(In thousands)

 

Investment income, net

  $ 73     $ 95     $ 128  

Loss on extinguishment of debt

    —       —       (279 )

Net foreign exchange gain (loss)

    (4 )     (3 )     1  

Gain (loss) on sale of equipment

    1       45       24  

Gain (loss) on sale of investment

    6       —       (1 )

Other income

    —       —       —  

Total investment and other income (expense), net

  $ 76     $ 137     $ (127 )

During part of 2012, the Company had a $5 million term loan outstanding which carried a fixed rate of 10.64% per annum and was payable over a 42-month period.


On June 29, 2012, the Company paid approximately $4.1 million to extinguish the outstanding balance of its term loan prior to its scheduled maturity. During the year ended December 31, 2012, the Company incurred a $0.3 million loss on early extinguishment of debt, which consisted of a prepayment penalty of 3% on the outstanding principal, the write-off of unamortized deferred financing costs and unamortized debt discount and legal expenses related to extinguishment of debt.


Interest expense for the years ended December 31, 2012 was $308,745. Interest expense is calculated using the effective interest method and includes non-cash amortization of debt discount and capitalized loan fees in the amount of $77,504 for the years ended December 31, 2012.


There were no interest expenses for the year ended December 31, 2014 and 2013.