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Short Term Debt - Short Term Debt - Summary Table 1 (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
UBS short-term credit line    
Beginning balance $ 1,500,000 $ 2,000,000
Borrowing 2,300,000 1,200,000
Repayments (2,998,000) (1,700,000)
Ending balance 802,000 1,500,000
RBC short term margin loan    
Beginning balance      
Borrowing    1,465,000
Repayments    (1,465,000)
Ending balance      
Total short-term margin loans $ 802,000 $ 1,500,000