Convertible Subordinated Debt (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

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

The following table summarizes the significant inputs resulting from the calculations as of June 30, 2013 and December 31, 2012:

	June 30, 2013			December 31, 2012
Equity value	$	43,693		$	25,696
Volatility		50	%		55	%
Risk free return		0.66	%		0.54	%
Dividend Yield		1.96	%		3.34	%
Strike Price	$	4.05		$	4.09