Convertible Subordinated Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table summarizes the significant inputs resulting from the calculations at issuance and year end:

	December 31, 2013			December 31, 2012			June 3, 2011
Equity value	$	30,708		$	25,696		$	36,811
Volatility		45	%		55	%		70	%
Risk free return		0.38	%		0.54	%		1.60	%
Dividend Yield		2.79	%		3.34	%		2.51	%
Strike Price	$	3.99		$	4.09		$	4.65