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Short Term Debt - Short Term Debt - Detail (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
UBS short-term credit line
Beginning balance	$ 802,000	$ 1,500,000
Borrowing	104,000	2,300,000
Repayments	(906,000)	(2,998,000)
Ending balance		$ 802,000